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Nefodova A, Rudyk M, Dovhyi R, Dovbynchuk T, Dzubenko N, Tolstanova G, Skivka L. Systemic inflammation in Aβ 1-40-induced Alzheimer's disease model: New translational opportunities. Brain Res 2024; 1837:148960. [PMID: 38679313 DOI: 10.1016/j.brainres.2024.148960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 03/21/2024] [Accepted: 04/23/2024] [Indexed: 05/01/2024]
Abstract
Alzheimer disease (AD) is the most frequent cause of dementia, and the most common neurodegenerative disease, which is characterized by memory impairment, neuronal death, and synaptic loss in the hippocampus. Sporadic late-onset AD, which accounts for over 95 % of disease cases, is a multifactorial pathology with complex etiology and pathogenesis. Nowadays, neuroinflammation is considered the third most important component of AD pathogenesis in addition to amyloid peptide generation and deposition. Neuroinflammation is associated with the impairment of blood-brain barrier and leakage of inflammatory mediators into the periphery with developing systemic inflammatory responses. Systemic inflammation is currently considered one of the therapeutic targets for AD treatment, that necessitates in-depth study of this phenomenon in appropriate non-transgenic animal models. This study was aimed to explore systemic inflammatory manifestations in rats with Aβ1-40-induced AD. The impairment of spatial memory and cognitive flexibility in Aβ1-40-lesioned rats was accompanied by pronounced systemic inflammation, which was confirmed by commonly accepted biomarkers: increased hematological indices of systemic inflammation (NLR, dNLR, LMR, PLR and SII), signs of anemia of inflammation or chronic diseases, and pro-inflammatory polarized activation of circulating phagocytes. In addition, markers of systemic inflammation strongly correlated with disorders of remote cognitive flexibility in Aβ1-40-lesioned rats. These results indicate, that Aβ1-40-induced AD model permits the investigation of specific element of the disease - systemic inflammation in addition to well reproduced neuroinflammation and impairment of spatial memory and cognitive flexibility. It increases translational value of this well-known model.
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Affiliation(s)
- Anastasiia Nefodova
- Educational and Scientific Centre "Institute of Biology and Medicine", Taras Shevchenko National University of Kyiv, 2, Hlushkov Avenue, Kyiv 03022, Ukraine
| | - Mariia Rudyk
- Educational and Scientific Centre "Institute of Biology and Medicine", Taras Shevchenko National University of Kyiv, 2, Hlushkov Avenue, Kyiv 03022, Ukraine.
| | - Roman Dovhyi
- Educational and Scientific Centre "Institute of Biology and Medicine", Taras Shevchenko National University of Kyiv, 2, Hlushkov Avenue, Kyiv 03022, Ukraine
| | - Taisa Dovbynchuk
- Educational and Scientific Centre "Institute of Biology and Medicine", Taras Shevchenko National University of Kyiv, 2, Hlushkov Avenue, Kyiv 03022, Ukraine
| | - Nataliia Dzubenko
- Educational and Scientific Institute of High Technologies, Taras Shevchenko University of Kyiv, 4g, Hlushkov Avenue, Kyiv 03022, Ukraine
| | - Ganna Tolstanova
- Educational and Scientific Institute of High Technologies, Taras Shevchenko University of Kyiv, 4g, Hlushkov Avenue, Kyiv 03022, Ukraine
| | - Larysa Skivka
- Educational and Scientific Centre "Institute of Biology and Medicine", Taras Shevchenko National University of Kyiv, 2, Hlushkov Avenue, Kyiv 03022, Ukraine
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Pereira DA, Calmasini FB, Costa FF, Burnett AL, Silva FH. Nitric Oxide Resistance in Priapism Associated with Sickle Cell Disease: Mechanisms, Therapeutic Challenges, and Future Directions. J Pharmacol Exp Ther 2024; 390:203-212. [PMID: 38262744 DOI: 10.1124/jpet.123.001962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 12/07/2023] [Accepted: 01/05/2024] [Indexed: 01/25/2024] Open
Abstract
Patients with sickle cell disease (SCD) display priapism, a prolonged penile erection in the absence of sexual arousal. The current pharmacological treatments for SCD-associated priapism are limited and focused on acute interventions rather than prevention. Thus, there is an urgent need for new drug targets and preventive pharmacological therapies for this condition. This review focuses on the molecular mechanisms linked to the dysfunction of the NO-cyclic guanosine monophosphate (cGMP)-phosphodiesterase type 5 (PDE5) pathway implicated in SCD-associated priapism. In murine models of SCD, reduced nitric oxide (NO)-cGMP bioavailability in the corpus cavernosum is associated with elevated plasma hemoglobin levels, increased reactive oxygen species levels that inactive NO, and testosterone deficiency that leads to endothelial nitric oxide synthase downregulation. We discuss the consequences of the reduced cGMP-dependent PDE5 activity in response to these molecular changes, highlighting it as the primary pathophysiological mechanism leading to excessive corpus cavernosum relaxation, culminating in priapism. We also further discuss the impact of intravascular hemolysis on therapeutic approaches, present current pharmacological strategies targeting the NO-cGMP-PDE5 pathway in the penis, and identify potential pharmacological targets for future priapism therapies. In men with SCD and priapism, PDE5 inhibitor therapy and testosterone replacement have shown promising results. Recent preclinical research reported the beneficial effect of treatment with haptoglobin and NO donors. SIGNIFICANCE STATEMENT: This review discusses the molecular changes that reduce NO-cGMP bioavailability in the penis in SCD and highlights pharmacological targets and therapeutic strategies for the treatment of priapism, including PDE5 inhibitors, hormonal modulators, NO donors, hydroxyurea, soluble guanylate cyclase stimulators, haptoglobin, hemopexin, and antioxidants.
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Affiliation(s)
- Dalila Andrade Pereira
- Laboratory of Pharmacology, São Francisco University Medical School, Bragança Paulista, SP, Brazil (D.A.P., F.H.S.); Universidade Federal de São Paulo, Escola Paulista de Medicina, Department of Pharmacology, São Paulo, SP, Brazil (F.B.C.); Hematology and Hemotherapy Center, University of Campinas, Campinas, SP, Brazil (F.F.C.); and The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins School of Medicine, Baltimore, Maryland (A.L.B.)
| | - Fabiano Beraldi Calmasini
- Laboratory of Pharmacology, São Francisco University Medical School, Bragança Paulista, SP, Brazil (D.A.P., F.H.S.); Universidade Federal de São Paulo, Escola Paulista de Medicina, Department of Pharmacology, São Paulo, SP, Brazil (F.B.C.); Hematology and Hemotherapy Center, University of Campinas, Campinas, SP, Brazil (F.F.C.); and The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins School of Medicine, Baltimore, Maryland (A.L.B.)
| | - Fernando Ferreira Costa
- Laboratory of Pharmacology, São Francisco University Medical School, Bragança Paulista, SP, Brazil (D.A.P., F.H.S.); Universidade Federal de São Paulo, Escola Paulista de Medicina, Department of Pharmacology, São Paulo, SP, Brazil (F.B.C.); Hematology and Hemotherapy Center, University of Campinas, Campinas, SP, Brazil (F.F.C.); and The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins School of Medicine, Baltimore, Maryland (A.L.B.)
| | - Arthur L Burnett
- Laboratory of Pharmacology, São Francisco University Medical School, Bragança Paulista, SP, Brazil (D.A.P., F.H.S.); Universidade Federal de São Paulo, Escola Paulista de Medicina, Department of Pharmacology, São Paulo, SP, Brazil (F.B.C.); Hematology and Hemotherapy Center, University of Campinas, Campinas, SP, Brazil (F.F.C.); and The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins School of Medicine, Baltimore, Maryland (A.L.B.)
| | - Fábio Henrique Silva
- Laboratory of Pharmacology, São Francisco University Medical School, Bragança Paulista, SP, Brazil (D.A.P., F.H.S.); Universidade Federal de São Paulo, Escola Paulista de Medicina, Department of Pharmacology, São Paulo, SP, Brazil (F.B.C.); Hematology and Hemotherapy Center, University of Campinas, Campinas, SP, Brazil (F.F.C.); and The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins School of Medicine, Baltimore, Maryland (A.L.B.)
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Hu Y, Hao F, Yu L, Chen L, Liang S, Wang Y, Cai W. A nomogram for predicting neurogenic lower urinary tract dysfunction in patients with acute ischemic stroke: A retrospective study. Neurourol Urodyn 2024. [PMID: 38962959 DOI: 10.1002/nau.25536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Revised: 03/12/2024] [Accepted: 06/21/2024] [Indexed: 07/05/2024]
Abstract
AIMS To investigate the risk factors for neurogenic lower urinary tract dysfunction (NLUTD) in patients with acute ischemic stroke (AIS), and develop an internally validated predictive nomogram. The study aims to offer insights for preventing AIS-NLUTD. METHODS We conducted a retrospective study on AIS patients in a Shenzhen Hospital from June 2021 to February 2023, categorizing them into non-NLUTD and NLUTD groups. The bivariate analysis identified factors for AIS-NLUTD (p < 0.05), integrated into a least absolute shrinkage and selection operator (LASSO) regression model. Significant variables from LASSO were used in a multivariate logistic regression for the predictive model, resulting in a nomogram. Nomogram performance and clinical utility were evaluated through receiver operating characteristic curves, calibration curves, decision curve analysis (DCA), and clinical impact curve (CIC). Internal validation used 1000 bootstrap resamplings. RESULTS A total of 373 participants were included in this study, with an NLUTD incidence rate of 17.7% (66/373). NIHSS score (OR = 1.254), pneumonia (OR = 6.631), GLU (OR = 1.240), HGB (OR = 0.970), and hCRP (OR = 1.021) were used to construct a predictive model for NLUTD in AIS patients. The model exhibited good performance (AUC = 0.899, calibration curve p = 0.953). Internal validation of the model demonstrated strong discrimination and calibration abilities (AUC = 0.898). Results from DCA and CIC curves indicated that the prediction model had high clinical utility. CONCLUSIONS We developed a predictive model for AIS-NLUTD and created a nomogram with strong predictive capabilities, assisting healthcare professionals in evaluating NLUTD risk among AIS patients and facilitating early intervention.
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Affiliation(s)
- Yingjie Hu
- Department of Nursing, Shenzhen Hospital, Southern Medical University, Shenzhen, Guangdong, China
- School of Nursing, Southern Medical University, Guangzhou, Guangdong, China
| | - Fengming Hao
- Department of Nursing, Shenzhen Hospital, Southern Medical University, Shenzhen, Guangdong, China
- School of Nursing, Southern Medical University, Guangzhou, Guangdong, China
| | - Lanlan Yu
- Department of Nursing, Shenzhen Hospital, Southern Medical University, Shenzhen, Guangdong, China
- School of Nursing, Southern Medical University, Guangzhou, Guangdong, China
| | - Ling Chen
- Department of Nursing, Shenzhen Hospital, Southern Medical University, Shenzhen, Guangdong, China
| | - Surui Liang
- Department of Nursing, Shenzhen Hospital, Southern Medical University, Shenzhen, Guangdong, China
| | - Ying Wang
- Department of Nursing, Shenzhen Hospital, Southern Medical University, Shenzhen, Guangdong, China
- School of Nursing, Southern Medical University, Guangzhou, Guangdong, China
| | - Wenzhi Cai
- Department of Nursing, Shenzhen Hospital, Southern Medical University, Shenzhen, Guangdong, China
- School of Nursing, Southern Medical University, Guangzhou, Guangdong, China
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Mertens E, Deriemaeker P, Van Beneden K. Analysis of the Nutritional Composition of Ready-to-Use Meat Alternatives in Belgium. Nutrients 2024; 16:1648. [PMID: 38892581 PMCID: PMC11175014 DOI: 10.3390/nu16111648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 05/20/2024] [Accepted: 05/23/2024] [Indexed: 06/21/2024] Open
Abstract
BACKGROUND The interest in meat alternatives has increased over the years as people embrace more varied food choices because of different reasons. This study aims to analyse the nutritional composition of ready-to-use meat alternatives and compare them with meat (products). METHODS Nutritional composition values were collected in 2022 of all ready-to-use meat alternatives in Belgian supermarkets, as well as their animal-based counterparts. A one-sample t-test was performed to test the nutritional composition of ready-to-use meat alternatives against norm values, while an independent samples t-test was used to make the comparison with meat. RESULTS Minced meat and pieces/strips/cubes scored favourably on all norm values. Cheeseburgers/schnitzels, nut/seed burgers and sausages contained more than 10 g/100 g total fat. The saturated fat and salt content was lower than the norm value in each category. Legume burgers/falafel contained less than 10 g/100 g protein. Vegetarian/vegan minced meat and bacon contained fewer calories, total and saturated fat, and more fibre compared to their animal-based counterparts. CONCLUSIONS Minced meat and pieces/strips/cubes came out as the most favourable categories regarding nutritional composition norm values. Vegetarian/vegan steak came out the least favourable compared to steak, while vegetarian/vegan minced meat and vegetarian/vegan bacon came out the most favourable compared to their animal-based counterparts.
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Affiliation(s)
- Evelien Mertens
- Department of Health Care, Design and Technology, Nutrition and Dietetics Program, Erasmushogeschool Brussel, 1090 Brussels, Belgium; (P.D.); (K.V.B.)
- Department of Movement and Sport Sciences, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, 1050 Brussels, Belgium
| | - Peter Deriemaeker
- Department of Health Care, Design and Technology, Nutrition and Dietetics Program, Erasmushogeschool Brussel, 1090 Brussels, Belgium; (P.D.); (K.V.B.)
- Department of Movement and Sport Sciences, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, 1050 Brussels, Belgium
| | - Katrien Van Beneden
- Department of Health Care, Design and Technology, Nutrition and Dietetics Program, Erasmushogeschool Brussel, 1090 Brussels, Belgium; (P.D.); (K.V.B.)
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Ma M, Jiang W, Zhou R. DAMPs and DAMP-sensing receptors in inflammation and diseases. Immunity 2024; 57:752-771. [PMID: 38599169 DOI: 10.1016/j.immuni.2024.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 02/17/2024] [Accepted: 03/01/2024] [Indexed: 04/12/2024]
Abstract
Damage-associated molecular patterns (DAMPs) are endogenous danger molecules produced in cellular damage or stress, and they can activate the innate immune system. DAMPs contain multiple types of molecules, including nucleic acids, proteins, ions, glycans, and metabolites. Although these endogenous molecules do not trigger immune response under steady-state condition, they may undergo changes in distribution, physical or chemical property, or concentration upon cellular damage or stress, and then they become DAMPs that can be sensed by innate immune receptors to induce inflammatory response. Thus, DAMPs play an important role in inflammation and inflammatory diseases. In this review, we summarize the conversion of homeostatic molecules into DAMPs; the diverse nature and classification, cellular origin, and sensing of DAMPs; and their role in inflammation and related diseases. Furthermore, we discuss the clinical strategies to treat DAMP-associated diseases via targeting DAMP-sensing receptors.
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Affiliation(s)
- Ming Ma
- Key Laboratory of Immune Response and Immunotherapy, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, Anhui, China
| | - Wei Jiang
- Key Laboratory of Immune Response and Immunotherapy, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, Anhui, China
| | - Rongbin Zhou
- Key Laboratory of Immune Response and Immunotherapy, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, Anhui, China; Department of Geriatrics, Gerontology Institute of Anhui Province, The First Affiliated Hospital of University of Science and Technology of China, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China.
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Tkachenko A, Havranek O. Erythronecroptosis: an overview of necroptosis or programmed necrosis in red blood cells. Mol Cell Biochem 2024:10.1007/s11010-024-04948-8. [PMID: 38427167 DOI: 10.1007/s11010-024-04948-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 01/20/2024] [Indexed: 03/02/2024]
Abstract
Necroptosis is considered a programmed necrosis that requires receptor-interacting protein kinase 1 (RIPK1), receptor-interacting protein kinase 3 (RIPK3), and pore-forming mixed lineage kinase domain-like protein (MLKL) to trigger a regulated cell membrane lysis. Membrane rupture in necroptosis has been shown to fuel innate immune response due to release of damage-associated molecular patterns (DAMPs). Recently published studies indicate that mature erythrocytes can undergo necroptosis as well. In this review, we provide an outline of multiple cell death modes occurring in erythrocytes, discuss possible immunological aspects of diverse erythrocyte cell deaths, summarize available evidence related to the ability of erythrocytes to undergo necroptosis, outline key involved molecular mechanisms, and discuss the potential implication of erythrocyte necroptosis in the physiology and pathophysiology. Furthermore, we aim to highlight the interplay between necroptosis and eryptosis signaling in erythrocytes, emphasizing specific characteristics of these pathways distinct from their counterparts in nucleated cells. Thus, our review provides a comprehensive summary of the current knowledge of necroptosis in erythrocytes. To reflect critical differences between necroptosis of nucleated cells and necroptosis of erythrocytes, we suggest a term erythronecroptosis for necroptosis of enucleated cells.
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Affiliation(s)
- Anton Tkachenko
- BIOCEV, First Faculty of Medicine, Charles University, Prumyslova 595, 25250, Vestec, Czech Republic.
| | - Ondrej Havranek
- BIOCEV, First Faculty of Medicine, Charles University, Prumyslova 595, 25250, Vestec, Czech Republic
- First Department of Internal Medicine-Hematology, General University Hospital and First Faculty of Medicine, Charles University, Prague, Czech Republic
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Pandya CD, Vekaria HJ, Zamorano M, Trout AL, Ritzel RM, Guzman GU, Bolden C, Sullivan PG, Gensel JC, Miller BA. Azithromycin reduces hemoglobin-induced innate neuroimmune activation. Exp Neurol 2024; 372:114574. [PMID: 37852468 DOI: 10.1016/j.expneurol.2023.114574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 09/11/2023] [Accepted: 10/14/2023] [Indexed: 10/20/2023]
Abstract
Neonatal intraventricular hemorrhage (IVH) releases blood products into the lateral ventricles and brain parenchyma. There are currently no medical treatments for IVH and surgery is used to treat a delayed effect of IVH, post-hemorrhagic hydrocephalus. However, surgery is not a cure for intrinsic brain injury from IVH, and is performed in a subacute time frame. Like many neurological diseases and injuries, innate immune activation is implicated in the pathogenesis of IVH. Innate immune activation is a pharmaceutically targetable mechanism to reduce brain injury and post-hemorrhagic hydrocephalus after IVH. Here, we tested the macrolide antibiotic azithromycin, which has immunomodulatory properties, to reduce innate immune activation in an in vitro model of microglial activation using the blood product hemoglobin (Hgb). We then utilized azithromycin in our in vivo model of IVH, using intraventricular blood injection into the lateral ventricle of post-natal day 5 rat pups. In both models, azithromycin modulated innate immune activation by several outcome measures including mitochondrial bioenergetic analysis, cytokine expression and flow cytometric analysis. This suggests that azithromycin, which is safe for neonates, could hold promise for modulating innate immune activation after IVH.
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Affiliation(s)
- Chirayu D Pandya
- Center for Advanced Translational Stroke Science (CATSS), Department of Neurosurgery, University of Kentucky College of Medicine, Lexington, KY 40536, United States of America
| | - Hemendra J Vekaria
- Spinal Cord and Brain Injury Research Center (SCoBIRC), Department of Neuroscience, University of Kentucky College of Medicine, Lexington, KY 40536, United States of America
| | - Miriam Zamorano
- Department of Pediatric Surgery, University of Texas Health Science Center at Houston, 77030, United States of America
| | - Amanda L Trout
- Center for Advanced Translational Stroke Science (CATSS), Department of Neurosurgery, University of Kentucky College of Medicine, Lexington, KY 40536, United States of America
| | - Rodney M Ritzel
- Lexington Veterans' Affairs Healthcare System, Lexington, KY 40502, United States of America
| | - Gary U Guzman
- Lexington Veterans' Affairs Healthcare System, Lexington, KY 40502, United States of America
| | - Christopher Bolden
- Department of Pediatric Surgery, University of Texas Health Science Center at Houston, 77030, United States of America
| | - Patrick G Sullivan
- Spinal Cord and Brain Injury Research Center (SCoBIRC), Department of Neuroscience, University of Kentucky College of Medicine, Lexington, KY 40536, United States of America; Lexington Veterans' Affairs Healthcare System, Lexington, KY 40502, United States of America
| | - John C Gensel
- Spinal Cord and Brain Injury Research Center (SCoBIRC), Department of Physiology, University of Kentucky College of Medicine, Lexington, KY 40536, United States of America
| | - Brandon A Miller
- Department of Pediatric Surgery, University of Texas Health Science Center at Houston, 77030, United States of America.
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Ross JT, Robles AJ, Mazer MB, Studer AC, Remy KE, Callcut RA. Cell-Free Hemoglobin in the Pathophysiology of Trauma: A Scoping Review. Crit Care Explor 2024; 6:e1052. [PMID: 38352942 PMCID: PMC10863949 DOI: 10.1097/cce.0000000000001052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2024] Open
Abstract
OBJECTIVES Cell-free hemoglobin (CFH) is a potent mediator of endothelial dysfunction, organ injury, coagulopathy, and immunomodulation in hemolysis. These mechanisms have been demonstrated in patients with sepsis, hemoglobinopathies, and those receiving transfusions. However, less is known about the role of CFH in the pathophysiology of trauma, despite the release of equivalent levels of free hemoglobin. DATA SOURCES Ovid MEDLINE, Embase, Web of Science Core Collection, and BIOSIS Previews were searched up to January 21, 2023, using key terms related to free hemoglobin and trauma. DATA EXTRACTION Two independent reviewers selected studies focused on hemolysis in trauma patients, hemoglobin breakdown products, hemoglobin-mediated injury in trauma, transfusion, sepsis, or therapeutics. DATA SYNTHESIS Data from the selected studies and their references were synthesized into a narrative review. CONCLUSIONS Free hemoglobin likely plays a role in endothelial dysfunction, organ injury, coagulopathy, and immune dysfunction in polytrauma. This is a compelling area of investigation as multiple existing therapeutics effectively block these pathways.
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Affiliation(s)
- James T Ross
- Department of Surgery, University of California Davis, Sacramento, CA
- The Blood, Heart, Lung, and Immunology Research Center, Case Western Reserve University, University Hospitals Cleveland, Cleveland, OH
| | - Anamaria J Robles
- Department of Surgery, University of California Davis, Sacramento, CA
| | - Monty B Mazer
- The Blood, Heart, Lung, and Immunology Research Center, Case Western Reserve University, University Hospitals Cleveland, Cleveland, OH
- Division of Pediatric Critical Care Medicine, Department of Pediatrics, UH Rainbow Babies and Children's Hospital, Cleveland, OH
| | - Amy C Studer
- Blaisdell Medical Library, University of California Davis, Sacramento, CA
| | - Kenneth E Remy
- The Blood, Heart, Lung, and Immunology Research Center, Case Western Reserve University, University Hospitals Cleveland, Cleveland, OH
- Division of Pulmonary Critical Care Medicine, Department of Medicine, University Hospitals of Cleveland, Case Western Reserve School of Medicine, Cleveland, OH
| | - Rachael A Callcut
- Department of Surgery, University of California Davis, Sacramento, CA
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da Silva Vaz Junior I, Lu S, Pinto AFM, Diedrich JK, Yates JR, Mulenga A, Termignoni C, Ribeiro JM, Tirloni L. Changes in saliva protein profile throughout Rhipicephalus microplus blood feeding. Parasit Vectors 2024; 17:36. [PMID: 38281054 PMCID: PMC10821567 DOI: 10.1186/s13071-024-06136-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 01/12/2024] [Indexed: 01/29/2024] Open
Abstract
BACKGROUND When feeding on a vertebrate host, ticks secrete saliva, which is a complex mixture of proteins, lipids, and other molecules. Tick saliva assists the vector in modulating host hemostasis, immunity, and tissue repair mechanisms. While helping the vector to feed, its saliva modifies the site where pathogens are inoculated and often facilitates the infection process. The objective of this study is to uncover the variation in protein composition of Rhipicephalus microplus saliva during blood feeding. METHODS Ticks were fed on calves, and adult females were collected, weighed, and divided in nine weight groups, representing the slow and rapid feeding phases of blood feeding. Tick saliva was collected, and mass spectrometry analyses were used to identify differentially secreted proteins. Bioinformatic tools were employed to predict the structural and functional features of the salivary proteins. Reciprocal best hit analyses were used to identify conserved families of salivary proteins secreted by other tick species. RESULTS Changes in the protein secretion profiles of R. microplus adult female saliva during the blood feeding were observed, characterizing the phenomenon known as "sialome switching." This observation validates the idea that the switch in protein expression may serve as a mechanism for evading host responses against tick feeding. Cattle tick saliva is predominantly rich in heme-binding proteins, secreted conserved proteins, lipocalins, and protease inhibitors, many of which are conserved and present in the saliva of other tick species. Additionally, another remarkable observation was the identification of host-derived proteins as a component of tick saliva. CONCLUSIONS Overall, this study brings new insights to understanding the dynamics of the proteomic profile of tick saliva, which is an important component of tick feeding biology. The results presented here, along with the disclosed sequences, contribute to our understanding of tick feeding biology and might aid in the identification of new targets for the development of novel anti-tick methods.
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Affiliation(s)
- Itabajara da Silva Vaz Junior
- Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
- Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Stephen Lu
- Vector Biology Section, Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, Rockville, MD, USA
| | - Antônio F M Pinto
- Clayton Foundation Peptide Biology Lab, Salk Institute for Biological Studies, La Jolla, CA, USA
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA, USA
| | - Jolene K Diedrich
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA, USA
- Mass Spectrometry Core, Salk Institute for Biological Studies, La Jolla, CA, USA
| | - John R Yates
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA, USA
| | - Albert Mulenga
- Department of Veterinary Pathobiology, College of Veterinary Medicine, Texas A&M University, College Station, TX, USA
| | - Carlos Termignoni
- Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
- Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - José Marcos Ribeiro
- Vector Biology Section, Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, Rockville, MD, USA
| | - Lucas Tirloni
- Tick-Pathogen Transmission Unit, Laboratory of Bacteriology, National Institute of Allergy and Infectious Diseases, Hamilton, MT, USA.
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Gwozdzinski L, Pieniazek A, Gwozdzinski K. Factors Influencing Venous Remodeling in the Development of Varicose Veins of the Lower Limbs. Int J Mol Sci 2024; 25:1560. [PMID: 38338837 PMCID: PMC10855638 DOI: 10.3390/ijms25031560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Revised: 01/19/2024] [Accepted: 01/23/2024] [Indexed: 02/12/2024] Open
Abstract
One of the early symptoms of chronic venous disease (CVD) is varicose veins (VV) of the lower limbs. There are many etiological environmental factors influencing the development of chronic venous insufficiency (CVI), although genetic factors and family history of the disease play a key role. All these factors induce changes in the hemodynamic in the venous system of the lower limbs leading to blood stasis, hypoxia, inflammation, oxidative stress, proteolytic activity of matrix metalloproteinases (MMPs), changes in microcirculation and, consequently, the remodeling of the venous wall. The aim of this review is to present current knowledge on CVD, including the pathophysiology and mechanisms related to vein wall remodeling. Particular emphasis has been placed on describing the role of inflammation and oxidative stress and the involvement of extracellular hemoglobin as pathogenetic factors of VV. Additionally, active substances used in the treatment of VV were discussed.
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Affiliation(s)
- Lukasz Gwozdzinski
- Department of Pharmacology and Toxicology, Medical University of Lodz, 90-752 Lodz, Poland;
| | - Anna Pieniazek
- Department of Oncobiology and Epigenetics, Faculty of Biology and Environmental Protection, University of Lodz, 90-236 Lodz, Poland;
| | - Krzysztof Gwozdzinski
- Department of Oncobiology and Epigenetics, Faculty of Biology and Environmental Protection, University of Lodz, 90-236 Lodz, Poland;
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11
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Corral-Ruiz GM, Pérez-Vega MJ, Galán-Salinas A, Mancilla-Herrera I, Barrios-Payán J, Fabila-Castillo L, Hernández-Pando R, Sánchez-Torres LE. Thymic atrophy induced by Plasmodium berghei ANKA and Plasmodium yoelii 17XL infection. Immunol Lett 2023; 264:4-16. [PMID: 37875239 DOI: 10.1016/j.imlet.2023.10.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 10/06/2023] [Accepted: 10/21/2023] [Indexed: 10/26/2023]
Abstract
The thymus is the anatomical site where T cells undergo a complex process of differentiation, proliferation, selection, and elimination of autorreactive cells which involves molecular signals in different intrathymic environment. However, the immunological functions of the thymus can be compromised upon exposure to different infections, affecting thymocyte populations. In this work, we investigated the impact of malaria parasites on the thymus by using C57BL/6 mice infected with Plasmodium berghei ANKA and Plasmodium yoelii 17XL; these lethal infection models represent the most severe complications, cerebral malaria, and anemia respectively. Data showed a reduction in the thymic weight and cellularity involving different T cell maturation stages, mainly CD4-CD8- and CD4+CD8+ thymocytes, as well as an increased presence of apoptotic cells, leading to significant thymic cortex reduction. Thymus atrophy showed no association with elevated serum cytokines levels, although increased glucocorticoid levels did. The severity of thymic damage in both models reached the same extend although it occurs at different stages of infection, showing that thymic atrophy does not depend on parasitemia level but on the specific host-parasite interaction.
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Affiliation(s)
- G M Corral-Ruiz
- Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, Mexico; Posgrado en Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, Mexico
| | - M J Pérez-Vega
- Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, Mexico; Posgrado en Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, Mexico
| | - A Galán-Salinas
- Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, Mexico; Posgrado en Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, Mexico
| | - I Mancilla-Herrera
- Departamento de Infectología e Inmunología, Instituto Nacional de Perinatología, Mexico City, Mexico
| | - J Barrios-Payán
- Sección de Patología Experimental, Departamento de Patología, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - L Fabila-Castillo
- Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, Mexico
| | - R Hernández-Pando
- Sección de Patología Experimental, Departamento de Patología, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - L E Sánchez-Torres
- Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, Mexico.
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12
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Giannaki A, Georgatzakou HΤ, Fortis SP, Anastasiadi AT, Pavlou EG, Nomikou EG, Drandaki MP, Kotsiafti A, Xydaki A, Fountzoula C, Papageorgiou EG, Tzounakas VL, Kriebardis AG. Stratification of β Sβ + Compound Heterozygotes Based on L-Glutamine Administration and RDW: Focusing on Disease Severity. Antioxidants (Basel) 2023; 12:1982. [PMID: 38001835 PMCID: PMC10669421 DOI: 10.3390/antiox12111982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 10/30/2023] [Accepted: 11/07/2023] [Indexed: 11/26/2023] Open
Abstract
Sickle cell disease (SCD) is heterogeneous in terms of manifestation severity, even more so when in compound heterozygosity with beta-thalassemia. The aim of the present study was to stratify βSβ+ patient blood samples in a severity-dependent manner. Blood from thirty-two patients with HbS/β-thalassemia compound heterozygosity was examined for several parameters (e.g., hemostasis, inflammation, redox equilibrium) against healthy controls. Additionally, SCD patients were a posteriori (a) categorized based on the L-glutamine dose and (b) clustered into high-/low-RDW subgroups. The patient cohort was characterized by anemia, inflammation, and elevated coagulation. Higher-dose administration of L-glutamine was associated with decreased markers of inflammation and oxidation (e.g., intracellular reactive oxygen species) and an altered coagulation profile. The higher-RDW group was characterized by increased hemolysis, elevated markers of inflammation and stress erythropoiesis, and oxidative phenomena (e.g., membrane-bound hemoglobin). Moreover, the levels of hemostasis parameters (e.g., D-Dimers) were greater compared to the lower-RDW subgroup. The administration of higher doses of L-glutamine along with hydroxyurea seems to attenuate several features in SCD patients, probably by enhancing antioxidant power. Moreover, anisocytosis may alter erythrocytes' coagulation processes and hemolytic propensity. This results in the disruption of the redox and pro-/anti-inflammatory equilibria, creating a positive feedback loop by inducing stress erythropoiesis and, thus, the occurrence of a mixed erythrocyte population.
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Affiliation(s)
- Aimilia Giannaki
- Laboratory of Reliability and Quality Control in Laboratory Hematology (HemQcR), Department of Biomedical Sciences, School of Health & Caring Sciences, University of West Attica (UniWA), 12243 Egaleo, Greece; (A.G.); (H.T.G.); (S.P.F.); (A.T.A.); (E.G.P.); (E.G.P.)
| | - Hara Τ. Georgatzakou
- Laboratory of Reliability and Quality Control in Laboratory Hematology (HemQcR), Department of Biomedical Sciences, School of Health & Caring Sciences, University of West Attica (UniWA), 12243 Egaleo, Greece; (A.G.); (H.T.G.); (S.P.F.); (A.T.A.); (E.G.P.); (E.G.P.)
| | - Sotirios P. Fortis
- Laboratory of Reliability and Quality Control in Laboratory Hematology (HemQcR), Department of Biomedical Sciences, School of Health & Caring Sciences, University of West Attica (UniWA), 12243 Egaleo, Greece; (A.G.); (H.T.G.); (S.P.F.); (A.T.A.); (E.G.P.); (E.G.P.)
| | - Alkmini T. Anastasiadi
- Laboratory of Reliability and Quality Control in Laboratory Hematology (HemQcR), Department of Biomedical Sciences, School of Health & Caring Sciences, University of West Attica (UniWA), 12243 Egaleo, Greece; (A.G.); (H.T.G.); (S.P.F.); (A.T.A.); (E.G.P.); (E.G.P.)
- Department of Biochemistry, School of Medicine, University of Patras, 26504 Patras, Greece;
| | - Efthimia G. Pavlou
- Laboratory of Reliability and Quality Control in Laboratory Hematology (HemQcR), Department of Biomedical Sciences, School of Health & Caring Sciences, University of West Attica (UniWA), 12243 Egaleo, Greece; (A.G.); (H.T.G.); (S.P.F.); (A.T.A.); (E.G.P.); (E.G.P.)
- Blood Bank and Hemophilia Unit, Hippokration Hospital, 11527 Athens, Greece;
| | - Efrosyni G. Nomikou
- Blood Bank and Hemophilia Unit, Hippokration Hospital, 11527 Athens, Greece;
| | - Maria P. Drandaki
- Thalassemia and Sickle Cell Unit, Expertise Center of Hemoglobinopathies and Their Complications, Hippokration General Hospital, 11527 Athens, Greece; (M.P.D.); (A.K.); (A.X.)
| | - Angeliki Kotsiafti
- Thalassemia and Sickle Cell Unit, Expertise Center of Hemoglobinopathies and Their Complications, Hippokration General Hospital, 11527 Athens, Greece; (M.P.D.); (A.K.); (A.X.)
| | - Aikaterini Xydaki
- Thalassemia and Sickle Cell Unit, Expertise Center of Hemoglobinopathies and Their Complications, Hippokration General Hospital, 11527 Athens, Greece; (M.P.D.); (A.K.); (A.X.)
| | - Christina Fountzoula
- Laboratory of Chemistry, Biochemistry and Cosmetic Science (ChemBiochemCosm), Department of Biomedical Sciences, School of Health & Caring Sciences, University of West Attica (UniWA), 12243 Egaleo, Greece;
| | - Effie G. Papageorgiou
- Laboratory of Reliability and Quality Control in Laboratory Hematology (HemQcR), Department of Biomedical Sciences, School of Health & Caring Sciences, University of West Attica (UniWA), 12243 Egaleo, Greece; (A.G.); (H.T.G.); (S.P.F.); (A.T.A.); (E.G.P.); (E.G.P.)
| | - Vassilis L. Tzounakas
- Department of Biochemistry, School of Medicine, University of Patras, 26504 Patras, Greece;
| | - Anastasios G. Kriebardis
- Laboratory of Reliability and Quality Control in Laboratory Hematology (HemQcR), Department of Biomedical Sciences, School of Health & Caring Sciences, University of West Attica (UniWA), 12243 Egaleo, Greece; (A.G.); (H.T.G.); (S.P.F.); (A.T.A.); (E.G.P.); (E.G.P.)
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13
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Onishchenko AI, Prokopiuk VY, Chumachenko VA, Virych PA, Tryfonyuk LY, Kutsevol NV, Tkachenko AS. Hemocompatibility of dextran-graft-polyacrylamide/zinc oxide nanosystems: hemolysis or eryptosis? NANOTECHNOLOGY 2023; 35:035102. [PMID: 37827140 DOI: 10.1088/1361-6528/ad02a3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 10/11/2023] [Indexed: 10/14/2023]
Abstract
Aim. In this study, blood compatibility of ZnO nanoparticles-polymer nanocomplex (D-PAA/ZnONPs(SO42-)) synthesizedin situinto dextran-graft-polyacrylamide (D-PAA) using zinc sulphate as a precursor was tested using hemolysis, osmotic fragility and eryptosis assays.Materials and methods. Dose-dependent ability to induce eryptosis was assessed following 24 h incubation at concentrations of 0-800 mg l-1analyzing hallmarks of eryptosis (cell shrinkage and phosphatidylserine externalization), as well as reactive oxygen species generation. Hemolysis was detected spectrophotometrically based on hemoglobin release following exposure to the D-PAA/ZnONPs(SO42-) nanocomplex. Osmotic fragility test (OFT) involved detection of hemolysis of red blood cells exposed to 0.2% saline solution following incubation with the D-PAA/ZnONPs(SO42-) nanocomplex. Additional incubation of the nanocomplex in the presence or absence of either ascorbic acid or EGTA was used to reveal the implication of oxidative stress- or Ca2+-mediated mechanisms in D-PAA/ZnONPs(SO42-) nanocomplex-induced erythrotoxicity.Results. Hemocompatibility assessment of the D-PAA/ZnONPs(SO42-) nanocomplex revealed that it induced hemolysis and reduced resistance of erythrocytes to osmotic stress at concentrations of above 400 and 200 mg l-1, respectively. Oxidative stress- or Ca2+-mediated mechanisms were not involved in D-PAA/ZnONPs(SO42-) nanocomplex-induced hemolysis. Strikingly, the D-PAA/ZnONPs(SO42-) nanocomplex did not promote cell membrane scrambling, cell shrinkage and oxidative stress in red blood cells following the direct exposure for 24 h. Thus, the D-PAA/ZnONPs(SO42-) nanocomplex did not induce eryptosisin vitro. Eryptosis is generally considered to occur earlier than hemolysis in response to stress in order to prevent hemolytic cell death. Counterintuitively, our data suggest that hemolysis can be triggered by nanomaterials prior to eryptosis indicating that eryptosis and hemolysis assays should be used in combination for testing blood compatibility of nanomaterials.Conclusions. The D-PAA/ZnONPs(SO42-) nanocomplex has a good hemocompatibility profile at low concentrations. Hemocompatibility testing in nanotoxicology should include both eryptosis and hemolysis assays.
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Affiliation(s)
- Anatolii I Onishchenko
- Research Institute of Experimental and Clinical Medicine, Kharkiv National Medical University, 4 Nauky ave., 61022 Kharkiv, Ukraine
| | - Volodymyr Yu Prokopiuk
- Research Institute of Experimental and Clinical Medicine, Kharkiv National Medical University, 4 Nauky ave., 61022 Kharkiv, Ukraine
- Department of Cryobiochemistry, Institute for Problems of Cryobiology and Cryomedicine of the National Academy of Sciences of Ukraine, 23 Pereyaslavskaya st., 61015 Kharkiv, Ukraine
| | - Vasyl A Chumachenko
- Department of Chemistry, Taras Shevchenko National University of Kyiv, 60 Volodymyrska st., 01601 Kyiv, Ukraine
| | - Pavlo A Virych
- Department of Chemistry, Taras Shevchenko National University of Kyiv, 60 Volodymyrska st., 01601 Kyiv, Ukraine
| | - Liliya Y Tryfonyuk
- Institute of Health, National University of Water and Environmental Engineering, 11 Sobornast, 33000 Rivne, Ukraine
| | - Nataliya V Kutsevol
- Department of Chemistry, Taras Shevchenko National University of Kyiv, 60 Volodymyrska st., 01601 Kyiv, Ukraine
| | - Anton S Tkachenko
- Research Institute of Experimental and Clinical Medicine, Kharkiv National Medical University, 4 Nauky ave., 61022 Kharkiv, Ukraine
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14
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Knowles LM, Wolter C, Menger MD, Laschke MW, Beyer L, Grün U, Eichler H, Pilch J. Activation of the Acute-Phase Response in Hemophilia. Thromb Haemost 2023; 123:867-879. [PMID: 37037212 PMCID: PMC10460954 DOI: 10.1055/a-2071-0477] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 03/22/2023] [Indexed: 04/12/2023]
Abstract
To identify recurrent inflammation in hemophilia, we assessed the acute-phase response in the blood of patients with hemophilia A and B. Compared to age- and weight-matched controls, blood levels of interleukin-6 (IL-6), C-reactive protein (CRP), and LPS-binding protein (LBP) were significantly elevated in the entire cohort of hemophilia patients but exhibited a particularly pronounced increase in obese hemophilia patients with a body mass index (BMI) ≥30. Subgroup analysis of the remaining nonobese hemophilia patients (BMI: 18-29.9) revealed a significant spike of IL-6, CRP, and LBP in connection with a de-novo increase of soluble IL-6 receptor α (sIL-6Rα) in patients with bleeding events within the last month. Hemophilia patients who did not experience recent bleeding had IL-6, CRP, and sIL-6Rα blood levels similar to healthy controls. We did not find increased IL-6 or acute-phase reactants in hemophilia patients with arthropathy or infectious disease. The role of IL-6 as a marker of bleeding in hemophilia was confirmed in hemophilia patients with acute bleeding events as well as in transgenic hemophilia mice after needle puncture of the knee, which exhibited an extensive hematoma and a 150-fold increase of IL-6 blood levels within 7 days of the injury compared to needle-punctured control mice. Notably, IL-6 blood levels shrunk to a fourfold elevation in hemophilia mice over controls after 28 days, when the hematoma was replaced by arthrofibrosis. These findings indicate that acute-phase reactants in combination with sIL-6Rα could be sensitive biomarkers for the detection of acute and recent bleeding events in hemophilia.
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Affiliation(s)
- Lynn M. Knowles
- Institute of Clinical Hemostaseology and Transfusion Medicine, Saarland University and University Medical Center, Homburg, Germany
| | - Carolin Wolter
- Institute of Clinical Hemostaseology and Transfusion Medicine, Saarland University and University Medical Center, Homburg, Germany
| | - Michael D. Menger
- Institute for Clinical and Experimental Surgery, Saarland University and University Medical Center, Homburg, Germany
| | - Matthias W. Laschke
- Institute for Clinical and Experimental Surgery, Saarland University and University Medical Center, Homburg, Germany
| | - Lars Beyer
- Institute of Clinical Hemostaseology and Transfusion Medicine, Saarland University and University Medical Center, Homburg, Germany
| | - Ulrich Grün
- Department of Orthopedic Surgery, Saarland University and University Medical Center, Homburg, Germany
| | - Hermann Eichler
- Institute of Clinical Hemostaseology and Transfusion Medicine, Saarland University and University Medical Center, Homburg, Germany
| | - Jan Pilch
- Institute of Clinical Hemostaseology and Transfusion Medicine, Saarland University and University Medical Center, Homburg, Germany
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15
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Xu H, Xiong S, Chen Y, Ye Q, Guan N, Hu Y, Wu J. Flagella of Tumor-Targeting Bacteria Trigger Local Hemorrhage to Reprogram Tumor-Associated Macrophages for Improved Antitumor Therapy. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2303357. [PMID: 37310893 DOI: 10.1002/adma.202303357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 06/12/2023] [Indexed: 06/15/2023]
Abstract
Tumor-associated macrophages (TAMs) exhibit an immunosuppressive M2 phenotype and lead to failure of antitumor therapy. Infiltrated erythrocytes during hemorrhage are recognized as a promising strategy for polarizing TAMs. However, novel materials that precisely induce tumor hemorrhage without affecting normal coagulation still face challenges. Here, tumor-targeting bacteria (flhDC VNP) are genetically constructed to realize precise tumor hemorrhage. FlhDC VNP colonizes the tumor and overexpresses flagella during proliferation. The flagella promote the expression of tumor necrosis factor α, which induces local tumor hemorrhage. Infiltrated erythrocytes during the hemorrhage temporarily polarize macrophages to the M1 subtype. In the presence of artesunate, this short-lived polarization is transformed into a sustained polarization because artesunate and heme form a complex that continuously produces reactive oxygen species. Therefore, the flagella of active tumor-targeting bacteria may open up new strategies for reprogramming TAMs and improving antitumor therapy.
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Affiliation(s)
- Haiheng Xu
- State Key Laboratory of Pharmaceutical Biotechnology, Medical School, Nanjing University, Nanjing, 210093, China
- Department of Andrology, Medical School of Nanjing University, Nanjing, 210093, China
- Jiangsu Provincial Key Laboratory for Nano Technology, Nanjing University, Nanjing, 210093, China
- Chemistry and Biomedicine Innovation Center, Nanjing University, Nanjing, 210023, China
- Wuxi Xishan NJU Institute of Applied Biotechnology, Anzhen Street, Xishan District, Wuxi, 214101, China
| | - Shuqin Xiong
- State Key Laboratory of Pharmaceutical Biotechnology, Medical School, Nanjing University, Nanjing, 210093, China
- Department of Andrology, Medical School of Nanjing University, Nanjing, 210093, China
- Jiangsu Provincial Key Laboratory for Nano Technology, Nanjing University, Nanjing, 210093, China
- Chemistry and Biomedicine Innovation Center, Nanjing University, Nanjing, 210023, China
- Wuxi Xishan NJU Institute of Applied Biotechnology, Anzhen Street, Xishan District, Wuxi, 214101, China
| | - Yiyun Chen
- State Key Laboratory of Pharmaceutical Biotechnology, Medical School, Nanjing University, Nanjing, 210093, China
- Department of Andrology, Medical School of Nanjing University, Nanjing, 210093, China
- Jiangsu Provincial Key Laboratory for Nano Technology, Nanjing University, Nanjing, 210093, China
- Chemistry and Biomedicine Innovation Center, Nanjing University, Nanjing, 210023, China
- Wuxi Xishan NJU Institute of Applied Biotechnology, Anzhen Street, Xishan District, Wuxi, 214101, China
| | - Qingsong Ye
- State Key Laboratory of Pharmaceutical Biotechnology, Medical School, Nanjing University, Nanjing, 210093, China
- Department of Andrology, Medical School of Nanjing University, Nanjing, 210093, China
- Jiangsu Provincial Key Laboratory for Nano Technology, Nanjing University, Nanjing, 210093, China
- Chemistry and Biomedicine Innovation Center, Nanjing University, Nanjing, 210023, China
- Wuxi Xishan NJU Institute of Applied Biotechnology, Anzhen Street, Xishan District, Wuxi, 214101, China
| | - Nan Guan
- Molecular, Cellular and Development Biology Department, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Yiqiao Hu
- State Key Laboratory of Pharmaceutical Biotechnology, Medical School, Nanjing University, Nanjing, 210093, China
- Jiangsu Provincial Key Laboratory for Nano Technology, Nanjing University, Nanjing, 210093, China
| | - Jinhui Wu
- State Key Laboratory of Pharmaceutical Biotechnology, Medical School, Nanjing University, Nanjing, 210093, China
- Department of Andrology, Medical School of Nanjing University, Nanjing, 210093, China
- Jiangsu Provincial Key Laboratory for Nano Technology, Nanjing University, Nanjing, 210093, China
- Chemistry and Biomedicine Innovation Center, Nanjing University, Nanjing, 210023, China
- Wuxi Xishan NJU Institute of Applied Biotechnology, Anzhen Street, Xishan District, Wuxi, 214101, China
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16
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Aboderin FI, Oduola T, Davison GM, Oguntibeju OO. A Review of the Relationship between the Immune Response, Inflammation, Oxidative Stress, and the Pathogenesis of Sickle Cell Anaemia. Biomedicines 2023; 11:2413. [PMID: 37760854 PMCID: PMC10525295 DOI: 10.3390/biomedicines11092413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 08/09/2023] [Accepted: 08/26/2023] [Indexed: 09/29/2023] Open
Abstract
Sickle cell anaemia (SCD) is a life-threatening haematological disorder which is predominant in sub-Saharan Africa and is triggered by a genetic mutation of the β-chain haemoglobin gene resulting in the substitution of glutamic acid with valine. This mutation leads to the production of an abnormal haemoglobin molecule called haemoglobin S (HbS). When deoxygenated, haemoglobin S (HbS) polymerises and results in a sickle-shaped red blood cell which is rigid and has a significantly shortened life span. Various reports have shown a strong link between oxidative stress, inflammation, the immune response, and the pathogenesis of sickle cell disease. The consequence of these processes leads to the development of vasculopathy (disease of the blood vessels) and several other complications. The role of the immune system, particularly the innate immune system, in the pathogenesis of SCD has become increasingly clear in recent years of research; however, little is known about the roles of the adaptive immune system in this disease. This review examines the interaction between the immune system, inflammation, oxidative stress, blood transfusion, and their effects on the pathogenesis of sickle cell anaemia.
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Affiliation(s)
- Florence Ifechukwude Aboderin
- Department of Biomedical Sciences, Faculty of Health and Wellness Sciences, Cape Peninsula University of Technology, Bellville 7535, South Africa;
| | - Taofeeq Oduola
- Department of Chemical Pathology, Usmanu Danfodiyo University, Sokoto 840004, Nigeria;
| | - Glenda Mary Davison
- SAMRC/CPUT Cardiometabolic Health Research Unit, Department of Biomedical Sciences, Faculty of Health and Wellness Sciences, Cape Peninsula University of Technology, Bellville 7535, South Africa;
| | - Oluwafemi Omoniyi Oguntibeju
- Department of Biomedical Sciences, Faculty of Health and Wellness Sciences, Cape Peninsula University of Technology, Bellville 7535, South Africa;
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17
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Kahan R, Cray PL, Abraham N, Gao Q, Hartwig MG, Pollara JJ, Barbas AS. Sterile inflammation in liver transplantation. Front Med (Lausanne) 2023; 10:1223224. [PMID: 37636574 PMCID: PMC10449546 DOI: 10.3389/fmed.2023.1223224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 07/17/2023] [Indexed: 08/29/2023] Open
Abstract
Sterile inflammation is the immune response to damage-associated molecular patterns (DAMPs) released during cell death in the absence of foreign pathogens. In the setting of solid organ transplantation, ischemia-reperfusion injury results in mitochondria-mediated production of reactive oxygen and nitrogen species that are a major cause of uncontrolled cell death and release of various DAMPs from the graft tissue. When properly regulated, the immune response initiated by DAMP-sensing serves as means of damage control and is necessary for initiation of recovery pathways and re-establishment of homeostasis. In contrast, a dysregulated or overt sterile inflammatory response can inadvertently lead to further injury through recruitment of immune cells, innate immune cell activation, and sensitization of the adaptive immune system. In liver transplantation, sterile inflammation may manifest as early graft dysfunction, acute graft failure, or increased risk of immunosuppression-resistant rejection. Understanding the mechanisms of the development of sterile inflammation in the setting of liver transplantation is crucial for finding reliable biomarkers that predict graft function, and for development of therapeutic approaches to improve long-term transplant outcomes. Here, we discuss the recent advances that have been made to elucidate the early signs of sterile inflammation and extent of damage from it. We also discuss new therapeutics that may be effective in quelling the detrimental effects of sterile inflammation.
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Affiliation(s)
| | | | | | | | | | | | - Andrew S. Barbas
- Duke Ex-Vivo Organ Lab (DEVOL)—Division of Abdominal Transplant Surgery, Duke University, Durham, NC, United States
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18
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Lechuga GC, Morel CM, De-Simone SG. Hematological alterations associated with long COVID-19. Front Physiol 2023; 14:1203472. [PMID: 37565145 PMCID: PMC10411895 DOI: 10.3389/fphys.2023.1203472] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 07/10/2023] [Indexed: 08/12/2023] Open
Abstract
Long COVID-19 is a condition characterized by persistent symptoms lasting beyond the acute phase of COVID-19. Long COVID-19 produces diverse symptomatology and can impact organs and systems, including the hematological system. Several studies have reported, in COVID-19 patients, hematological abnormalities. Most of these alterations are associated with a higher risk of severe disease and poor outcomes. This literature review identified studies reporting hematological parameters in individuals with Long COVID-19. Findings suggest that Long COVID-19 is associated with a range of sustained hematological alterations, including alterations in red blood cells, anemia, lymphopenia, and elevated levels of inflammatory markers such as ferritin, D-dimer, and IL-6. These alterations may contribute to a better understanding of the pathophysiology of Long COVID-19 and its associated symptoms. However, further research is needed to elucidate the underlying mechanisms and potential treatments for these hematological changes in individuals with Long COVID-19.
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Affiliation(s)
- Guilherme C. Lechuga
- Center for Technological Development in Health (CDTS)/ National Institute of Science and Technology for Innovation in Neglected Population Diseases (INCT-IDPN), Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro, Brazil
- Laboratory of Epidemiology and Molecular Systematics (LESM), Oswaldo Cruz Institute, Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro, Brazil
- Laboratory of Cellular Ultrastructure, Oswaldo Cruz Institute, Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro, Brazil
| | - Carlos M. Morel
- Center for Technological Development in Health (CDTS)/ National Institute of Science and Technology for Innovation in Neglected Population Diseases (INCT-IDPN), Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro, Brazil
| | - Salvatore Giovanni De-Simone
- Center for Technological Development in Health (CDTS)/ National Institute of Science and Technology for Innovation in Neglected Population Diseases (INCT-IDPN), Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro, Brazil
- Laboratory of Epidemiology and Molecular Systematics (LESM), Oswaldo Cruz Institute, Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro, Brazil
- Post-Graduation Program in Science and Biotechnology, Department of Molecular and Cellular Biology, Biology Institute, Federal Fluminense University, Niterói, Brazil
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19
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Tolosano E. Heme and macrophages: a complicated liaison. Blood 2023; 141:3015-3017. [PMID: 37347498 DOI: 10.1182/blood.2023020612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/23/2023] Open
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20
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Sharma R, Antypiuk A, Vance SZ, Manwani D, Pearce Q, Cox JE, An X, Yazdanbakhsh K, Vinchi F. Macrophage metabolic rewiring improves heme-suppressed efferocytosis and tissue damage in sickle cell disease. Blood 2023; 141:3091-3108. [PMID: 36952641 PMCID: PMC10315632 DOI: 10.1182/blood.2022018026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 03/16/2023] [Accepted: 03/19/2023] [Indexed: 03/25/2023] Open
Abstract
Sickle cell disease (SCD) is hallmarked by an underlying chronic inflammatory condition, which is contributed by heme-activated proinflammatory macrophages. Although previous studies addressed heme ability to stimulate macrophage inflammatory skewing through Toll-like receptor4 (TLR4)/reactive oxygen species signaling, how heme alters cell functional properties remains unexplored. Macrophage-mediated immune cell recruitment and apoptotic cell (AC) clearance are relevant in the context of SCD, in which tissue damage, cell apoptosis, and inflammation occur owing to vaso-occlusive episodes, hypoxia, and ischemic injury. Here we show that heme strongly alters macrophage functional response to AC damage by exacerbating immune cell recruitment and impairing cell efferocytic capacity. In SCD, heme-driven excessive leukocyte influx and defective efferocytosis contribute to exacerbated tissue damage and sustained inflammation. Mechanistically, these events depend on heme-mediated activation of TLR4 signaling and suppression of the transcription factor proliferator-activated receptor γ (PPARγ) and its coactivator peroxisome proliferator-activated receptor γ coactivator 1α (PGC1α). These changes reduce efferocytic receptor expression and promote mitochondrial remodeling, resulting in a coordinated functional and metabolic reprogramming of macrophages. Overall, this results in limited AC engulfment, impaired metabolic shift to mitochondrial fatty acid β-oxidation, and, ultimately, reduced secretion of the antiinflammatory cytokines interleukin-4 (IL-4) and IL-10, with consequent inhibition of continual efferocytosis, resolution of inflammation, and tissue repair. We further demonstrate that impaired phagocytic capacity is recapitulated by macrophage exposure to plasma of patients with SCD and improved by hemopexin-mediated heme scavenging, PPARγ agonists, or IL-4 exposure through functional and metabolic macrophage rewiring. Our data indicate that therapeutic improvement of heme-altered macrophage functional properties via heme scavenging or PGC1α/PPARγ modulation significantly ameliorates tissue damage associated with SCD pathophysiology.
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Affiliation(s)
- Richa Sharma
- Iron Research Laboratory, Lindsley F. Kimball Research Institute, New York Blood Center, New York, NY
| | - Ada Antypiuk
- Iron Research Laboratory, Lindsley F. Kimball Research Institute, New York Blood Center, New York, NY
| | - S. Zebulon Vance
- Iron Research Laboratory, Lindsley F. Kimball Research Institute, New York Blood Center, New York, NY
| | - Deepa Manwani
- Department of Pediatrics, Albert Einstein College of Medicine, New York, NY
- Pediatric Hematology, The Children's Hospital at Montefiore, New York, NY
| | - Quentinn Pearce
- Department of Biochemistry, University of Utah, Salt Lake City, UT
- Metabolomics, Mass Spectrometry, and Proteomics Core, University of Utah, Salt Lake City, UT
| | - James E. Cox
- Department of Biochemistry, University of Utah, Salt Lake City, UT
- Metabolomics, Mass Spectrometry, and Proteomics Core, University of Utah, Salt Lake City, UT
| | - Xiuli An
- Laboratory of Membrane Biology, New York Blood Center, New York, NY
| | | | - Francesca Vinchi
- Iron Research Laboratory, Lindsley F. Kimball Research Institute, New York Blood Center, New York, NY
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY
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21
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Nasir NJM, Heemskerk H, Jenkins J, Hamadee NH, Bunte R, Tucker-Kellogg L. Myoglobin-derived iron causes wound enlargement and impaired regeneration in pressure injuries of muscle. eLife 2023; 12:85633. [PMID: 37267120 DOI: 10.7554/elife.85633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 04/25/2023] [Indexed: 06/04/2023] Open
Abstract
The reasons for poor healing of pressure injuries are poorly understood. Vascular ulcers are worsened by extracellular release of hemoglobin, so we examined the impact of myoglobin (Mb) iron in murine muscle pressure injuries (mPI). Tests used Mb-knockout or treatment with deferoxamine iron chelator (DFO). Unlike acute injuries from cardiotoxin, mPI regenerated poorly with a lack of viable immune cells, persistence of dead tissue (necro-slough), and abnormal deposition of iron. However, Mb-knockout or DFO-treated mPI displayed a reversal of the pathology: decreased tissue death, decreased iron deposition, decrease in markers of oxidative damage, and higher numbers of intact immune cells. Subsequently, DFO treatment improved myofiber regeneration and morphology. We conclude that myoglobin iron contributes to tissue death in mPI. Remarkably, a large fraction of muscle death in untreated mPI occurred later than, and was preventable by, DFO treatment, even though treatment started 12 hr after pressure was removed. This demonstrates an opportunity for post-pressure prevention to salvage tissue viability.
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Affiliation(s)
- Nurul Jannah Mohamed Nasir
- Cancer & Stem Cell Biology, Duke-NUS Medical School, Singapore, Singapore
- Centre for Computational Biology, Duke-NUS Medical School, Singapore, Singapore
| | - Hans Heemskerk
- Cancer & Stem Cell Biology, Duke-NUS Medical School, Singapore, Singapore
- BioSyM and CAMP Interdisciplinary Research Group, Singapore-MIT Alliance for Research and Technology, CREATE, Singapore, Singapore
| | - Julia Jenkins
- Cancer & Stem Cell Biology, Duke-NUS Medical School, Singapore, Singapore
| | | | - Ralph Bunte
- Cancer & Stem Cell Biology, Duke-NUS Medical School, Singapore, Singapore
| | - Lisa Tucker-Kellogg
- Cancer & Stem Cell Biology, Duke-NUS Medical School, Singapore, Singapore
- Centre for Computational Biology, Duke-NUS Medical School, Singapore, Singapore
- BioSyM and CAMP Interdisciplinary Research Group, Singapore-MIT Alliance for Research and Technology, CREATE, Singapore, Singapore
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22
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Ma XQ, Liu YY, Zhong ZQ, Chen SM, Hu WT, Sheng YR, Liu YK, Wei CY, Li MQ, Zhu XY. Heme induced progesterone-resistant profiling and promotion of endometriosis in vitro and in vivo. Biochim Biophys Acta Mol Basis Dis 2023:166761. [PMID: 37247698 DOI: 10.1016/j.bbadis.2023.166761] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 05/17/2023] [Accepted: 05/17/2023] [Indexed: 05/31/2023]
Abstract
Endometriosis is an estrogen-dependent, progesterone-resistant gynecological disease with an unknown pathogenesis. Compared to women without endometriosis, women with endometriosis have a remarkably high heme level in the peritoneal fluid. To further investigate the pathomechanisms of heme in endometriosis, we aimed to identify the dysregulated expression of heme-trafficking proteins, such as PGRMC1/2 that are also receptors that mediate the non-genomic responses to progesterone, and heme-degrading enzymes between ectopic endometrial stromal cells and their normal counterparts. We found that heme could regulate progesterone receptor-related gene expression. Functional human endometrial stromal cell experiments showed that heme promotes cell proliferation and migration in a heme oxygenase-1-independent manner; moreover, blocking oxidative phosphorylation/ATP generation could abolish these effects of heme in vitro, whereas intraperitoneal hemopexin administration could alleviate heme-triggered ectopic lesions in vivo. Therefore, heme likely mediates the induction of progesterone resistance and simultaneously induces endometriosis via the mitochondrial oxidative phosphorylation pathway.
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Affiliation(s)
- Xiao-Qian Ma
- Department of Obstetrics and Gynecology, Shanghai Medical College of Fudan University, Shanghai 200011, People's Republic of China; Institute of Obstetrics and Gynecology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China; Shanghai Key Laboratory of Female Reproductive Endocrine-Related Disease, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China
| | - Yu-Yin Liu
- Department of Gynecology and Obstetrics, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510510, People's Republic of China
| | - Zhi-Qi Zhong
- Xinglin College, Nantong University, Nantong 226001, People's Republic of China
| | - Si-Man Chen
- Department of Obstetrics and Gynecology, Shanghai Medical College of Fudan University, Shanghai 200011, People's Republic of China; Institute of Obstetrics and Gynecology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China; Shanghai Key Laboratory of Female Reproductive Endocrine-Related Disease, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China
| | - Wen-Ting Hu
- Department of Obstetrics and Gynecology, Shanghai Medical College of Fudan University, Shanghai 200011, People's Republic of China; Institute of Obstetrics and Gynecology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China; Shanghai Key Laboratory of Female Reproductive Endocrine-Related Disease, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China
| | - Yan-Ran Sheng
- Department of Obstetrics and Gynecology, Shanghai Medical College of Fudan University, Shanghai 200011, People's Republic of China; Institute of Obstetrics and Gynecology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China; Shanghai Key Laboratory of Female Reproductive Endocrine-Related Disease, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China
| | - Yu-Kai Liu
- Department of Obstetrics and Gynecology, Shanghai Medical College of Fudan University, Shanghai 200011, People's Republic of China; Institute of Obstetrics and Gynecology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China; Shanghai Key Laboratory of Female Reproductive Endocrine-Related Disease, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China
| | - Chun-Yan Wei
- Department of Obstetrics and Gynecology, Shanghai Medical College of Fudan University, Shanghai 200011, People's Republic of China; Institute of Obstetrics and Gynecology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China; Shanghai Key Laboratory of Female Reproductive Endocrine-Related Disease, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China
| | - Ming-Qing Li
- Department of Obstetrics and Gynecology, Shanghai Medical College of Fudan University, Shanghai 200011, People's Republic of China; Institute of Obstetrics and Gynecology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China; Shanghai Key Laboratory of Female Reproductive Endocrine-Related Disease, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China.
| | - Xiao-Yong Zhu
- Department of Obstetrics and Gynecology, Shanghai Medical College of Fudan University, Shanghai 200011, People's Republic of China; Institute of Obstetrics and Gynecology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China; Shanghai Key Laboratory of Female Reproductive Endocrine-Related Disease, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China.
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23
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Ren Y, Yan C, Yang H. Erythrocytes: Member of the Immune System that Should Not Be Ignored. Crit Rev Oncol Hematol 2023; 187:104039. [PMID: 37236411 DOI: 10.1016/j.critrevonc.2023.104039] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 03/27/2023] [Accepted: 05/23/2023] [Indexed: 05/28/2023] Open
Abstract
Erythrocytes are the most abundant type of cells in the blood and have a relatively simple structure when mature; they have a long life-span in the circulatory system. The primary function of erythrocytes is as oxygen carriers; however, they also play an important role in the immune system. Erythrocytes recognize and adhere to antigens and promote phagocytosis. The abnormal morphology and function of erythrocytes are also involved in the pathological processes of some diseases. Owing to the large number and immune properties of erythrocytes, their immune functions should not be ignored. Currently, research on immunity is focused on immune cells other than erythrocytes. However, research on the immune function of erythrocytes and the development of erythrocyte-mediated applications is of great significance. Therefore, we aimed to review the relevant literature and summarize the immune functions of erythrocytes.
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Affiliation(s)
- Yijun Ren
- Department of Neurology, Xiangya Hospital, Central South University, Xiangya Road 87, Changsha, China, 410000.
| | - Chengkai Yan
- Department of Neurology, Xiangya Hospital, Central South University, Xiangya Road 87, Changsha, China, 410000.
| | - Huan Yang
- Department of Neurology, Xiangya Hospital, Central South University, Xiangya Road 87, Changsha, China, 410000.
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24
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Liu X, Geng X, Shi Y, Liang J, Zhao L. Biomimetic oxygen-boosted hybrid membrane nanovesicles as the treatment strategy for ischemic stroke with the concept of the neurovascular unit. BIOMATERIALS ADVANCES 2023; 148:213379. [PMID: 36934713 DOI: 10.1016/j.bioadv.2023.213379] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 02/19/2023] [Accepted: 03/06/2023] [Indexed: 06/18/2023]
Abstract
The pathogenesis of ischemic cerebrovascular disease has revealed that ischemic stroke often leads to deprivation of oxygen, blood-brain barrier (BBB) damage and enhanced inflammatory activation, eventually causing severe brain tissue damage. Herein, we prepared hybrid membrane nanovesicles (YC-1@[RBC-PL] NVs) composed of red blood cell (RBC) membrane and platelet (PL) membrane encapsulating hypoxia inducible factor-1α (HIF-1α) inhibitor YC-1 for contributing to the protection of the neurovascular unit (NVU) in ischemic stroke. YC-1@[RBC-PL] NVs targeted the ischemic brain by the thrombus targeting properties of PL membrane and relieved the hypoxia inside ischemic brain in the presence of YC-1 and catalase in YC-1@[RBC-PL] NVs. Finally, YC-1@[RBC-PL] NVs attenuated ischemic injury to NVU by reducing infarct volume, preserving BBB integrity, and blocking activation of astrocyte and microglia in a middle cerebral artery occlusion/reperfusion (MCAO/R) model.
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Affiliation(s)
- Xintong Liu
- School of Pharmacy, Jinzhou Medical University, Jinzhou 121000, PR China
| | - Xinrong Geng
- School of Pharmacy, Jinzhou Medical University, Jinzhou 121000, PR China
| | - Yijie Shi
- School of Pharmacy, Jinzhou Medical University, Jinzhou 121000, PR China.
| | - Jia Liang
- Life Science Institution, Jinzhou Medical University, Jinzhou 121000, PR China.
| | - Liang Zhao
- School of Pharmacy, Jinzhou Medical University, Jinzhou 121000, PR China.
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25
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Kaliuzhka V, Tkachenko A, Myasoedov V, Markevych M, Onishchenko A, Babalyan I, Piatykop V. The Prognostic Value of Eryptosis Parameters in the Cerebrospinal Fluid for Cerebral Vasospasm and Delayed Cerebral Ischemia Formation. World Neurosurg 2023; 173:e578-e585. [PMID: 36842532 DOI: 10.1016/j.wneu.2023.02.096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 02/19/2023] [Accepted: 02/20/2023] [Indexed: 02/26/2023]
Abstract
BACKGROUND Delayed cerebral ischemia (DCI) and cerebral vasospasm (VS.) contribute to poor outcomes in patients with aneurysmal subarachnoid hemorrhage (aSAH). The pathophysiology of DCI is not fully understood, and this has hindered the adoption of a uniform definition. Reliable diagnostic tests and effective evidence-based treatment are lacking. This study explored the possibility of using eryptosis parameters in the cerebrospinal fluid (CSF) as a marker for early detection of VS and DCI. METHODS Twenty-one SAH patients were recruited and treated at Kharkiv Regional Hospital. The occurrences of DCI and VS were also recorded. Flow cytometry was used to assess eryptosis indices in the CSF by analyzing phosphatidylserine externalization in erythrocytes using annexin V staining and evaluating reactive oxygen species generation using 2,7-dichlorodihydrofluorescein (DCF) diacetate staining. RESULTS The percentage of annexin-positive red blood cells (RBCs) in the VS group was significantly higher than that in the non-VS group (P = 0.0017). Furthermore, higher values of this index were significantly associated with DCI formation (P < 0.0001). Patients with VS had higher mean fluorescence intensity values of DCF in RBCs compared to patients without VS (P = 0.0258). Patients with DCI also had higher mean fluorescence intensity values of DCF in RBCs (P = 0.0282). A higher percentage of annexin-positive RBCs following 3 days of aSAH was correlated with poor 3-month neurological outcomes (r = 0.7). CONCLUSIONS Our findings indicate a strong correlation between eryptosis level and DCI in a sizable series of patients with aSAH. Correlations between eryptosis indicators in the CSF and clinical and radiological manifestations suggest that eryptosis parameters are promising diagnostic biomarkers for DCI.
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Affiliation(s)
- Vladyslav Kaliuzhka
- Department of Neurosurgery, Kharkiv National Medical University, Kharkiv, Ukraine; Communal Non-Commercial Enterprise of Kharkiv Regional Council "Regional Clinical Hospital", Kharkiv, Ukraine.
| | - Anton Tkachenko
- Research Institute of Experimental and Clinical Medicine, Kharkiv National Medical University, Kharkiv, Ukraine
| | - Valeriy Myasoedov
- Department of Medical Biology, Kharkiv National Medical University, Kharkiv, Ukraine
| | - Mykyta Markevych
- Department of Internal Medicine and Endocrinology, Kharkiv National Medical University, Kharkiv, Ukraine; Communal Non-Commercial Enterprise of Kharkiv Regional Council "Regional Clinical Hospital", Kharkiv, Ukraine
| | - Anatolii Onishchenko
- Research Institute of Experimental and Clinical Medicine, Kharkiv National Medical University, Kharkiv, Ukraine
| | - Iurii Babalyan
- Department of Neurosurgery, Kharkiv National Medical University, Kharkiv, Ukraine; Communal Non-Commercial Enterprise of Kharkiv Regional Council "Regional Clinical Hospital", Kharkiv, Ukraine
| | - Volodymyr Piatykop
- Department of Neurosurgery, Kharkiv National Medical University, Kharkiv, Ukraine; Communal Non-Commercial Enterprise of Kharkiv Regional Council "Regional Clinical Hospital", Kharkiv, Ukraine
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26
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Gotardo ÉMF, Brito PL, Gushiken LFS, Chweih H, Leonardo FC, Costa FF, Conran N. Molecular and cellular effects of in vivo chronic intravascular hemolysis and anti-inflammatory therapeutic approaches. Vascul Pharmacol 2023; 150:107176. [PMID: 37116732 DOI: 10.1016/j.vph.2023.107176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 04/11/2023] [Accepted: 04/25/2023] [Indexed: 04/30/2023]
Abstract
Intravascular hemolysis (IVH) occurs in numerous inherited and acquired disorders, including sickle cell disease (SCD), malaria and sepsis. These diseases display unique symptoms, but often share complications, such as vasomotor dysfunction and pulmonary hypertension. Consequently, in vivo models are needed to study the effects of continuous intravascular hemolytic processes, independently of the molecular or extrinsic alteration that leads to erythrocyte destruction. We gave twice-weekly low-dose phenylhydrazine (LDPHZ) to C57BL/6 J mice for 4 weeks, and measured parameters indicative of anemia, hemoglobin-clearance pathways, inflammation and iron turnover, comparing these to those of a murine model of SCD, which displays associated IVH. LDPHZ administration provoked discreet anemia in mice and significant reticulocytosis, in association with hemoglobin/heme-clearance pathway protein depletion. Mice subjected to chronic hemolysis displayed elevated leukocyte counts and plasma levels of interleukin (IL)-1β, TNF-α, IL-6, soluble ICAM-1, endothelin-1 and anti-inflammatory IL-10, closely emulating alterations indicative of systemic inflammatory and endothelial activation in SCD, and confirming chronic IVH in itself as a serious complication. Discreet accelerations in hepatic and splenic iron turnover also occurred in LDPHZ mice, without alterations in liver damage markers. Examining the effects of two therapies on hemolysis-induced inflammation, the administration of hydroxyurea (and to a lesser extent, l-glutamine) significantly abrogated hemolytic inflammation in mice, without apparent inhibition of hemolysis. In conclusion, the isolation of chronic IVH, a common disease mechanism, using this model, may allow the study of hemolysis-specific sequelae at the cellular and systemic level, and the investigation of candidate agents that could potentially counter hemolytic inflammation.
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Affiliation(s)
- Érica M F Gotardo
- Hematology and Transfusion Center, University of Campinas - UNICAMP, Campinas, SP, Brazil.
| | - Pâmela L Brito
- Hematology and Transfusion Center, University of Campinas - UNICAMP, Campinas, SP, Brazil
| | - Lucas F S Gushiken
- Hematology and Transfusion Center, University of Campinas - UNICAMP, Campinas, SP, Brazil
| | - Hanan Chweih
- Hematology and Transfusion Center, University of Campinas - UNICAMP, Campinas, SP, Brazil
| | - Flavia C Leonardo
- Hematology and Transfusion Center, University of Campinas - UNICAMP, Campinas, SP, Brazil
| | - Fernando F Costa
- Hematology and Transfusion Center, University of Campinas - UNICAMP, Campinas, SP, Brazil
| | - Nicola Conran
- Hematology and Transfusion Center, University of Campinas - UNICAMP, Campinas, SP, Brazil.
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27
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Durante W. Glutamine Deficiency Promotes Immune and Endothelial Cell Dysfunction in COVID-19. Int J Mol Sci 2023; 24:7593. [PMID: 37108759 PMCID: PMC10144995 DOI: 10.3390/ijms24087593] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 04/17/2023] [Accepted: 04/19/2023] [Indexed: 04/29/2023] Open
Abstract
The coronavirus disease 2019 (COVID-19) pandemic has caused the death of almost 7 million people worldwide. While vaccinations and new antiviral drugs have greatly reduced the number of COVID-19 cases, there remains a need for additional therapeutic strategies to combat this deadly disease. Accumulating clinical data have discovered a deficiency of circulating glutamine in patients with COVID-19 that associates with disease severity. Glutamine is a semi-essential amino acid that is metabolized to a plethora of metabolites that serve as central modulators of immune and endothelial cell function. A majority of glutamine is metabolized to glutamate and ammonia by the mitochondrial enzyme glutaminase (GLS). Notably, GLS activity is upregulated in COVID-19, favoring the catabolism of glutamine. This disturbance in glutamine metabolism may provoke immune and endothelial cell dysfunction that contributes to the development of severe infection, inflammation, oxidative stress, vasospasm, and coagulopathy, which leads to vascular occlusion, multi-organ failure, and death. Strategies that restore the plasma concentration of glutamine, its metabolites, and/or its downstream effectors, in conjunction with antiviral drugs, represent a promising therapeutic approach that may restore immune and endothelial cell function and prevent the development of occlusive vascular disease in patients stricken with COVID-19.
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Affiliation(s)
- William Durante
- Department of Medical Pharmacology and Physiology, University of Missouri, Columbia, MO 65212, USA
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28
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Kettisen K, Nyblom M, Smeds E, Fago A, Bülow L. Structural and oxidative investigation of a recombinant high-yielding fetal hemoglobin mutant. Front Mol Biosci 2023; 10:1133985. [PMID: 37006610 PMCID: PMC10060959 DOI: 10.3389/fmolb.2023.1133985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Accepted: 03/01/2023] [Indexed: 03/18/2023] Open
Abstract
Human fetal hemoglobin (HbF) is an attractive starting protein for developing an effective agent for oxygen therapeutics applications. This requires that HbF can be produced in heterologous systems at high levels and in a homogeneous form. The introduction of negative charges on the surface of the α-chain in HbF can enhance the recombinant production yield of a functional protein in Escherichia coli. In this study, we characterized the structural, biophysical, and biological properties of an HbF mutant carrying four additional negative charges on each α-chain (rHbFα4). The 3D structure of the rHbFα4 mutant was solved with X-ray crystallography at 1.6 Å resolution. Apart from enabling a higher yield in recombinant protein production in E. coli, we observed that the normal DNA cleavage activity of the HbF was significantly lowered, with a four-time reduced rate constant for the rHbFα4 mutant. The oxygen-binding properties of the rHbFα4 mutant were identical to the wild-type protein. No significant difference between the wild-type and rHbFα4 was observed for the investigated oxidation rates (autoxidation and H2O2-mediated ferryl formation). However, the ferryl reduction reaction indicated some differences, which appear to be related to the reaction rates linked to the α-chain.
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Affiliation(s)
- Karin Kettisen
- Pure and Applied Biochemistry, Department of Chemistry, Lund University, Lund, Sweden
| | - Maria Nyblom
- Lund Protein Production Platform, Department of Biology, Lund University, Lund, Sweden
| | - Emanuel Smeds
- Infection Medicine, Department of Clinical Sciences, Lund University, Lund, Sweden
- Anesthesiology and Intensive Care, Department of Clinical Sciences, Lund University, Lund, Sweden
| | - Angela Fago
- Zoophysiology, Department of Biology, Aarhus University, Aarhus, Denmark
| | - Leif Bülow
- Pure and Applied Biochemistry, Department of Chemistry, Lund University, Lund, Sweden
- *Correspondence: Leif Bülow,
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29
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Peña-Medina RL, Fimbres-Olivarría D, Enríquez-Ocaña LF, Martínez-Córdova LR, Del-Toro-Sánchez CL, López-Elías JA, González-Vega RI. Erythroprotective Potential of Phycobiliproteins Extracted from Porphyridium cruentum. Metabolites 2023; 13:metabo13030366. [PMID: 36984806 PMCID: PMC10057957 DOI: 10.3390/metabo13030366] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 02/22/2023] [Accepted: 02/25/2023] [Indexed: 03/06/2023] Open
Abstract
There are multiple associations between the different blood groups (ABO and RhD) and the incidence of oxidative stress-related diseases, such as certain carcinomas and COVID-19. Bioactive compounds represent an alternative to its prevention and treatment. Phycobiliproteins (PBP) are bioactive compounds present in the microalga Porphyridium cruentum and, despite its antioxidant activity, their inhibitory effect on hemolysis has not been reported. The aim of this work was to evaluate the erythroprotective potential of phycobiliproteins from P. cruentum in different blood groups. The microalga was cultured in F/2 medium under controlled laboratory conditions. Day 10 of culture was determined as the harvest point. The microalgal biomass was lyophilized and a methanolic (MetOH), Tris HCl (T-HCl), and a physiological solution (PS) ultrasound-assisted extraction were performed. Extract pigments were quantified by spectrophotometry. The antioxidant activity of the extracts was evaluated with the ABTS+•, DPPH•, and FRAP methods, finding that the main antioxidant mechanism on the aqueous extracts was HAT (hydrogen atom transfer), while for MetOH it was SET (single electron transfer). The results of the AAPH, hypotonicity, and heat-induced hemolysis revealed a probable relationship between the different antigens (ABO and RhD) with the antihemolytic effect, highlighting the importance of bio-directed drugs.
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Affiliation(s)
- Rubria Lucía Peña-Medina
- Department of Scientific and Technological Research, University of Sonora, Blvd Luis Encinas y Reforma S/N, Col. Centro, Hermosillo 83000, Mexico
| | - Diana Fimbres-Olivarría
- Department of Scientific and Technological Research, University of Sonora, Blvd Luis Encinas y Reforma S/N, Col. Centro, Hermosillo 83000, Mexico
- Correspondence: (D.F.-O.); (R.I.G.-V.)
| | - Luis Fernando Enríquez-Ocaña
- Department of Scientific and Technological Research, University of Sonora, Blvd Luis Encinas y Reforma S/N, Col. Centro, Hermosillo 83000, Mexico
| | - Luis Rafael Martínez-Córdova
- Department of Scientific and Technological Research, University of Sonora, Blvd Luis Encinas y Reforma S/N, Col. Centro, Hermosillo 83000, Mexico
| | - Carmen Lizette Del-Toro-Sánchez
- Department of Research and Postgraduate in Food, University of Sonora, Blvd Luis Encinas y Rosales S/N, Col. Centro, Hermosillo 83000, Mexico
| | - José Antonio López-Elías
- Department of Scientific and Technological Research, University of Sonora, Blvd Luis Encinas y Reforma S/N, Col. Centro, Hermosillo 83000, Mexico
| | - Ricardo Iván González-Vega
- Department of Medical and Life Sciences, Cienega University Center (CUCIÉNEGA), University of Guadalajara, Av. Universidad 1115, Lindavista, Ocotlán 47820, Mexico
- Correspondence: (D.F.-O.); (R.I.G.-V.)
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30
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Cao L, Zheng X, Han P, Ren L, Hu F, Li Z. Raman spectroscopy as a promising diagnostic method for rheumatoid arthritis. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:709-718. [PMID: 36598183 DOI: 10.1039/d2ay01904c] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Background: Diagnosis of rheumatoid arthritis (RA) basically relies on clinical symptoms and autoantibodies, especially anti-citrullinated protein antibodies (ACPAs) and rheumatoid factor (RF). However, the lack of autoantibodies is still a dilemma clinically in seronegative RA, especially in the early stage of the disease. This study aimed to provide a unique disease fingerprint with high diagnostic value to discriminate RA based on Raman spectroscopy. Methods: Raman spectroscopy provides a repertoire of biomolecules in serum from RA. Multivariate dimension-reducing methods and machine-learning algorithms were exploited to reveal the intrinsic differences and the potential discrimination power. The underlying differential biomolecules were retrieved by the assignment of Raman peaks. Moreover, the correlations between the spectral differences and RA patient's clinical and immunological manifestations were also analyzed. Results: RA patients exhibited unique Raman spectra characterized by biomolecular alterations during the disease progression. The discrimination power yielded 97.3% sensitivity and 94.8% specificity for RA diagnosis. In the recognition of ACPA-negative RA, the sensitivity and specificity also reached 95.6% and 92.8%, respectively. In particular, the differential Raman spectrum peaks of RA patients mainly represented lipids, amino acids, glycogen, and fatty acids. Further analysis showed that the different serum Raman spectra correlated with the clinical features of RA, including disease duration, RF, anticyclic citrullinated peptide antibodies (anti-CCPs), IgA, IgM, IgG, tender joint count, and swollen joint count (|rs| = 0.15-0.52, p < 0.05). Conclusions: Raman spectroscopy was revealed to be a promising diagnostic method for RA, especially for ACPA-negative patients.
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Affiliation(s)
- Lulu Cao
- Department of Rheumatology and Immunology, Peking University People's Hospital and Beijing Key Laboratory for Rheumatism Mechanism and Immune Diagnosis (BZ0135), Beijing, China.
| | - Xi Zheng
- Department of Rheumatology and Immunology, Peking University People's Hospital and Beijing Key Laboratory for Rheumatism Mechanism and Immune Diagnosis (BZ0135), Beijing, China.
- Peking-Tsinghua Center for Life Sciences, Peking University, Beijing, China
| | - Peng Han
- Department of Rheumatology and Immunology, Peking University People's Hospital and Beijing Key Laboratory for Rheumatism Mechanism and Immune Diagnosis (BZ0135), Beijing, China.
| | - Limin Ren
- Department of Rheumatology and Immunology, Peking University People's Hospital and Beijing Key Laboratory for Rheumatism Mechanism and Immune Diagnosis (BZ0135), Beijing, China.
| | - Fanlei Hu
- Department of Rheumatology and Immunology, Peking University People's Hospital and Beijing Key Laboratory for Rheumatism Mechanism and Immune Diagnosis (BZ0135), Beijing, China.
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, China
- Department of Integration of Chinese and Western Medicine, School of Basic Medical Sciences, Peking University, Beijing, China
| | - Zhanguo Li
- Department of Rheumatology and Immunology, Peking University People's Hospital and Beijing Key Laboratory for Rheumatism Mechanism and Immune Diagnosis (BZ0135), Beijing, China.
- Peking-Tsinghua Center for Life Sciences, Peking University, Beijing, China
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, China
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31
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Salgar S, Bolívar BE, Flanagan JM, Anum SJ, Bouchier-Hayes L. The NLRP3 inflammasome fires up heme-induced inflammation in hemolytic conditions. Transl Res 2023; 252:34-44. [PMID: 36041706 DOI: 10.1016/j.trsl.2022.08.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 07/29/2022] [Accepted: 08/21/2022] [Indexed: 01/14/2023]
Abstract
Overactive inflammatory responses are central to the pathophysiology of many hemolytic conditions including sickle cell disease. Excessive hemolysis leads to elevated serum levels of heme due to saturation of heme scavenging mechanisms. Extracellular heme has been shown to activate the NLRP3 inflammasome, leading to activation of caspase-1 and release of pro-inflammatory cytokines IL-1β and IL-18. Heme also activates the non-canonical inflammasome pathway, which may contribute to NLRP3 inflammasome formation and leads to pyroptosis, a type of inflammatory cell death. Some clinical studies indicate there is a benefit to blocking the NLRP3 inflammasome pathway in patients with sickle cell disease and other hemolytic conditions. However, a thorough understanding of the mechanisms of heme-induced inflammasome activation is needed to fully leverage this pathway for clinical benefit. This review will explore the mechanisms of heme-induced NLRP3 inflammasome activation and the role of this pathway in hemolytic conditions including sickle cell disease.
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Affiliation(s)
- Suruchi Salgar
- Department of Pediatrics, Division of Hematology-Oncology, Baylor College of Medicine, Houston, Texas; Texas Children's Hospital William T. Shearer Center for Human Immunobiology, Houston, Texas
| | - Beatriz E Bolívar
- Department of Pediatrics, Division of Hematology-Oncology, Baylor College of Medicine, Houston, Texas; Texas Children's Hospital William T. Shearer Center for Human Immunobiology, Houston, Texas; Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas
| | - Jonathan M Flanagan
- Department of Pediatrics, Division of Hematology-Oncology, Baylor College of Medicine, Houston, Texas; Texas Children's Hospital William T. Shearer Center for Human Immunobiology, Houston, Texas
| | - Shaniqua J Anum
- Department of Pediatrics, Division of Hematology-Oncology, Baylor College of Medicine, Houston, Texas; Texas Children's Hospital William T. Shearer Center for Human Immunobiology, Houston, Texas
| | - Lisa Bouchier-Hayes
- Department of Pediatrics, Division of Hematology-Oncology, Baylor College of Medicine, Houston, Texas; Texas Children's Hospital William T. Shearer Center for Human Immunobiology, Houston, Texas; Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas.
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The Therapeutic Potential of Pyroptosis in Melanoma. Int J Mol Sci 2023; 24:ijms24021285. [PMID: 36674798 PMCID: PMC9861152 DOI: 10.3390/ijms24021285] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/04/2023] [Accepted: 01/04/2023] [Indexed: 01/11/2023] Open
Abstract
Pyroptosis is a programmed cell death characterized by the rupture of the plasma membranes and release of cellular content leading to inflammatory reaction. Four cellular mechanisms inducing pyroptosis have been reported thus far, including the (i) caspase 1-mediated canonical, (ii) caspase 4/5/11-mediated non-canonical, (iii) caspase 3/8-mediated and (iv) caspase-independent pathways. Although discovered as a defense mechanism protecting cells from infections of intracellular pathogens, pyroptosis plays roles in tumor initiation, progression and metastasis of tumors, as well as in treatment response to antitumor drugs and, consequently, patient outcome. Pyroptosis induction following antitumor therapies has been reported in several tumor types, including lung, colorectal and gastric cancer, hepatocellular carcinoma and melanoma. This review provides an overview of the cellular pathways of pyroptosis and discusses the therapeutic potential of pyroptosis induction in cancer, particularly in melanoma.
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Rosas Almanza J, Stehlik KE, Page JJ, Xiong SH, Tabor EG, Aperi B, Patel K, Kodali R, Kurpad S, Budde MD, Tarima S, Swartz K, Kroner A. IL-12p40 promotes secondary damage and functional impairment after spinal cord contusional injury. J Neurosci Res 2022; 100:2213-2231. [PMID: 36089917 DOI: 10.1002/jnr.25122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 08/23/2022] [Accepted: 08/29/2022] [Indexed: 01/07/2023]
Abstract
Secondary damage obstructs functional recovery for individuals who have sustained a spinal cord injury (SCI). Two processes significantly contributing to tissue damage after trauma are spinal cord hemorrhage and inflammation: more specifically, the recruitment and activation of immune cells, frequently driven by pro-inflammatory factors. Cytokines are inflammatory mediators capable of modulating the immune response. While cytokines are necessary to elicit inflammation for proper healing, excessive inflammation can result in destructive processes. The pro-inflammatory cytokines IL-12 and IL-23 are pathogenic in multiple autoimmune diseases. The cytokine subunit IL-12p40 is necessary to form bioactive IL-12 and IL-23. In this study, we examined the relationship between spinal cord hemorrhage and IL-12-related factors, as well as the impact of IL-12p40 (IL-12/IL-23) on secondary damage and functional recovery after SCI. Using in vivo magnetic resonance imaging and protein tissue analyses, we demonstrated a positive correlation between IL-12 and tissue hemorrhage. Receptor and ligand subunits of IL-12 were significantly upregulated after injury and colocalized with astrocytes, demonstrating a myriad of opportunities for IL-12 to induce an inflammatory response. IL-12p40-/- mice demonstrated significantly improved functional recovery and reduced lesion sizes compared to wild-type mice. Targeted gene array analysis in wild-type and IL-12p40-/- female mice after SCI revealed an upregulation of genes associated with worsened recovery after SCI. Taken together, our data reveal a pathogenic role of IL-12p40 in the secondary damage after SCI, hindering functional recovery. IL-12p40 (IL-12/IL-23) is thus an enticing neuroinflammatory target for further study as a potential therapeutic target to benefit recovery in acute SCI.
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Affiliation(s)
- Jose Rosas Almanza
- Department of Neurosurgery, Medical College of Wisconsin, Milwaukee, Wisconsin, USA.,Department of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA.,Clement J. Zablocki Veterans Affairs Medical Center, Milwaukee, Wisconsin, USA
| | - Kyle E Stehlik
- Department of Neurosurgery, Medical College of Wisconsin, Milwaukee, Wisconsin, USA.,Clement J. Zablocki Veterans Affairs Medical Center, Milwaukee, Wisconsin, USA
| | - Justin J Page
- Department of Neurosurgery, Medical College of Wisconsin, Milwaukee, Wisconsin, USA.,Clement J. Zablocki Veterans Affairs Medical Center, Milwaukee, Wisconsin, USA
| | - Shuana H Xiong
- Department of Neurosurgery, Medical College of Wisconsin, Milwaukee, Wisconsin, USA.,Clement J. Zablocki Veterans Affairs Medical Center, Milwaukee, Wisconsin, USA
| | - Emma G Tabor
- Department of Neurosurgery, Medical College of Wisconsin, Milwaukee, Wisconsin, USA.,Clement J. Zablocki Veterans Affairs Medical Center, Milwaukee, Wisconsin, USA
| | - Brandy Aperi
- Department of Neurosurgery, Medical College of Wisconsin, Milwaukee, Wisconsin, USA.,Clement J. Zablocki Veterans Affairs Medical Center, Milwaukee, Wisconsin, USA
| | - Kishan Patel
- Department of Neurosurgery, Medical College of Wisconsin, Milwaukee, Wisconsin, USA.,Clement J. Zablocki Veterans Affairs Medical Center, Milwaukee, Wisconsin, USA
| | - Rajiv Kodali
- Department of Neurosurgery, Medical College of Wisconsin, Milwaukee, Wisconsin, USA.,Clement J. Zablocki Veterans Affairs Medical Center, Milwaukee, Wisconsin, USA
| | - Shekar Kurpad
- Department of Neurosurgery, Medical College of Wisconsin, Milwaukee, Wisconsin, USA.,Clement J. Zablocki Veterans Affairs Medical Center, Milwaukee, Wisconsin, USA
| | - Matthew D Budde
- Department of Neurosurgery, Medical College of Wisconsin, Milwaukee, Wisconsin, USA.,Clement J. Zablocki Veterans Affairs Medical Center, Milwaukee, Wisconsin, USA
| | - Sergey Tarima
- Department of Biostatistics, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Karin Swartz
- Department of Neurosurgery, Medical College of Wisconsin, Milwaukee, Wisconsin, USA.,Clement J. Zablocki Veterans Affairs Medical Center, Milwaukee, Wisconsin, USA
| | - Antje Kroner
- Department of Neurosurgery, Medical College of Wisconsin, Milwaukee, Wisconsin, USA.,Department of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA.,Clement J. Zablocki Veterans Affairs Medical Center, Milwaukee, Wisconsin, USA
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Drvenica IT, Stančić AZ, Maslovarić IS, Trivanović DI, Ilić VL. Extracellular Hemoglobin: Modulation of Cellular Functions and Pathophysiological Effects. Biomolecules 2022; 12:1708. [PMID: 36421721 PMCID: PMC9688122 DOI: 10.3390/biom12111708] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 11/08/2022] [Accepted: 11/15/2022] [Indexed: 08/05/2023] Open
Abstract
Hemoglobin is essential for maintaining cellular bioenergetic homeostasis through its ability to bind and transport oxygen to the tissues. Besides its ability to transport oxygen, hemoglobin within erythrocytes plays an important role in cellular signaling and modulation of the inflammatory response either directly by binding gas molecules (NO, CO, and CO2) or indirectly by acting as their source. Once hemoglobin reaches the extracellular environment, it acquires several secondary functions affecting surrounding cells and tissues. By modulating the cell functions, this macromolecule becomes involved in the etiology and pathophysiology of various diseases. The up-to-date results disclose the impact of extracellular hemoglobin on (i) redox status, (ii) inflammatory state of cells, (iii) proliferation and chemotaxis, (iv) mitochondrial dynamic, (v) chemoresistance and (vi) differentiation. This review pays special attention to applied biomedical research and the use of non-vertebrate and vertebrate extracellular hemoglobin as a promising candidate for hemoglobin-based oxygen carriers, as well as cell culture medium additive. Although recent experimental settings have some limitations, they provide additional insight into the modulatory activity of extracellular hemoglobin in various cellular microenvironments, such as stem or tumor cells niches.
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Affiliation(s)
- Ivana T. Drvenica
- Group for Immunology, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, 11129 Belgrade, Serbia
| | - Ana Z. Stančić
- Group for Immunology, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, 11129 Belgrade, Serbia
| | - Irina S. Maslovarić
- Group for Immunology, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, 11129 Belgrade, Serbia
| | - Drenka I. Trivanović
- Group for Hematology and Stem Cells, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, 11129 Belgrade, Serbia
| | - Vesna Lj. Ilić
- Group for Immunology, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, 11129 Belgrade, Serbia
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35
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Du N, Zhang H, Wang J, Dong X, Li J, Wang K, Guan R. Fluorescent silicon nanoparticle–based quantitative hemin assay. Anal Bioanal Chem 2022; 414:8223-8232. [DOI: 10.1007/s00216-022-04386-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 10/10/2022] [Accepted: 10/13/2022] [Indexed: 11/01/2022]
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36
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Wang L, Zhang Q, Zhang G, Zhang W, Chen W, Hou F, Zheng Z, Guo Y, Chen Z, Wang Y, Hernesniemi J, Andrade-Barazarte H, Li X, Li T, Feng G, Gu J. Risk factors and predictive models of poor prognosis and delayed cerebral ischemia in aneurysmal subarachnoid hemorrhage complicated with hydrocephalus. Front Neurol 2022; 13:1014501. [PMID: 36353134 PMCID: PMC9638116 DOI: 10.3389/fneur.2022.1014501] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 10/10/2022] [Indexed: 11/20/2022] Open
Abstract
Objective To evaluate the correlation of serum biological markers and related scales to the occurrence of delayed cerebral ischemia and clinical prognosis in patients with aneurysmal subarachnoid hemorrhage (aSAH) complicated with acute hydrocephalus before admission. Methods The clinical data of 227 patients with pre-admission aSAH complicated with acute hydrocephalus admitted to Henan Provincial People's Hospital from April 2017 to December 2020 were retrospectively analyzed. Patients were grouped according to the presence or absence of delayed cerebral ischemia (DCI) after surgery and the prognosis at 6 months after discharge. Univariate and multivariable logistic regression analysis were performed to analyze the relationship between serum biological indicators combined with aneurysm related clinical score scale and the occurrence and prognosis of delayed cerebral ischemia. ROC curves and nomogram were drawn. Results Multivariable Logistic regression analysis showed that high Hunt-Hess grade and surgical clipping were independent risk factors for postoperative DCI (P < 0.05). Older age, higher Hunt-Hess grade, higher CRP and neutrophil levels were independent risk factors for poor prognosis at 6 months after surgery (P < 0.05). ROC curve analysis showed that the area under the curve (AUC) of Hunt-Hess grade and surgical method for predicting DCI in patients with aSAH combined with hydrocephalus after surgery were 0.665 and 0.593. The combined AUC of Hunt-Hess grade and surgical method was 0.685, the sensitivity was 64.9%, and the specificity was 64.7%. The AUC of CRP, neutrophil, age and Hunt-Hess grade for predicting poor prognosis in patients with aSAH combined with hydrocephalus at 6 months after surgery were 0.804, 0.735, 0.596, 0.757, respectively. The combined AUC of CRP, neutrophil, age, Hunt-Hess grade was 0.879, the sensitivity was 79%, and the specificity was 84.5%. According to the correction curve, the predicted probability of the nomogram is basically consistent with the actual probability. Conclusion Hunt-Hess grade and surgical method are independent predictors of postoperative DCI in patients with aSAH complicated with hydrocephalus. “CRP,” “neutrophil,” “age” and “Hunt-Hess grade” at admission are independent predictors of clinical prognosis in patients with aSAH complicated with hydrocephalus. The combination of the above indicators has high predictive value.
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Affiliation(s)
- Lintao Wang
- Department of Neurology, The First Affiliated Hospital of Henan University, Kaifeng, China
- School of Clinical Medicine, Henan University, Kaifeng, China
| | - Qingqing Zhang
- School of Clinical Medicine, Henan University, Kaifeng, China
- Department of Neurosurgery, Henan University People's Hospital, Henan Provincial People's Hospital, Zhengzhou, China
| | - Gaoqi Zhang
- School of Clinical Medicine, Henan University, Kaifeng, China
- Department of Neurosurgery, Henan University People's Hospital, Henan Provincial People's Hospital, Zhengzhou, China
| | - Wanwan Zhang
- School of Clinical Medicine, Henan University, Kaifeng, China
- Department of Neurosurgery, Henan University People's Hospital, Henan Provincial People's Hospital, Zhengzhou, China
| | - Wenwu Chen
- Department of Neurology, The First Affiliated Hospital of Henan University, Kaifeng, China
- School of Clinical Medicine, Henan University, Kaifeng, China
| | - Fandi Hou
- Department of Neurosurgery, Henan University People's Hospital, Henan Provincial People's Hospital, Zhengzhou, China
| | - Zhanqiang Zheng
- Department of Neurosurgery, Henan University People's Hospital, Henan Provincial People's Hospital, Zhengzhou, China
| | - Yong Guo
- Department of Neurosurgery, Henan University People's Hospital, Henan Provincial People's Hospital, Zhengzhou, China
| | - Zhongcan Chen
- Department of Neurosurgery, Henan University People's Hospital, Henan Provincial People's Hospital, Zhengzhou, China
| | - Yanxia Wang
- Department of Neurology, The First Affiliated Hospital of Henan University, Kaifeng, China
- School of Clinical Medicine, Henan University, Kaifeng, China
| | - Juha Hernesniemi
- Department of Neurosurgery, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Zhengzhou, China
| | - Hugo Andrade-Barazarte
- Department of Neurosurgery, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Zhengzhou, China
| | - Xiaohui Li
- Department of Neurology, The First Affiliated Hospital of Henan University, Kaifeng, China
- School of Clinical Medicine, Henan University, Kaifeng, China
| | - Tianxiao Li
- School of Clinical Medicine, Henan University, Kaifeng, China
- Department of Neurosurgery, Henan University People's Hospital, Henan Provincial People's Hospital, Zhengzhou, China
- Department of Neurosurgery, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Zhengzhou, China
| | - Guang Feng
- Department of Neurosurgery, Henan University People's Hospital, Henan Provincial People's Hospital, Zhengzhou, China
- Department of Neurosurgery, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Zhengzhou, China
- Guang Feng
| | - Jianjun Gu
- School of Clinical Medicine, Henan University, Kaifeng, China
- Department of Neurosurgery, Henan University People's Hospital, Henan Provincial People's Hospital, Zhengzhou, China
- Department of Neurosurgery, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Zhengzhou, China
- *Correspondence: Jianjun Gu
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Heinz R, Schneider UC. TLR4-Pathway-Associated Biomarkers in Subarachnoid Hemorrhage (SAH): Potential Targets for Future Anti-Inflammatory Therapies. Int J Mol Sci 2022; 23:ijms232012618. [PMID: 36293468 PMCID: PMC9603851 DOI: 10.3390/ijms232012618] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 10/14/2022] [Accepted: 10/18/2022] [Indexed: 11/20/2022] Open
Abstract
Subarachnoid hemorrhage is associated with severe neurological deficits for survivors. Among survivors of the initial bleeding, secondary brain injury leads to additional brain damage. Apart from cerebral vasospasm, secondary brain injury mainly results from cerebral inflammation taking place in the brain parenchyma after bleeding. The brain’s innate immune system is activated, which leads to disturbances in brain homeostasis, cleavage of inflammatory cytokines and, subsequently, neuronal cell death. The toll-like receptor (TLR)4 signaling pathway has been found to play an essential role in the pathophysiology of acute brain injuries such as subarachnoid hemorrhage (SAH). TLR4 is expressed on the cell surface of microglia, which are key players in the cellular immune responses of the brain. The participants in the signaling pathway, such as TLR4-pathway-like ligands, the receptor itself, and inflammatory cytokines, can act as biomarkers, serving as clues regarding the inflammatory status after SAH. Moreover, protein complexes such as the NLRP3 inflammasome or receptors such as TREM1 frame the TLR4 pathway and are indicative of inflammation. In this review, we focus on the activity of the TLR4 pathway and its contributors, which can act as biomarkers of neuroinflammation or even offer potential new treatment targets for secondary neuronal cell death after SAH.
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Affiliation(s)
- Rebecca Heinz
- Experimental Neurosurgery, Charité–Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, 10117 Berlin, Germany
| | - Ulf C. Schneider
- Experimental Neurosurgery, Charité–Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, 10117 Berlin, Germany
- Department of Neurosurgery, Cantonal Hospital of Lucerne, 6000 Lucerne, Switzerland
- Correspondence:
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de Freitas Dutra V, Leal VNC, Pontillo A. The inflammasomes: crosstalk between innate immunity and hematology. Inflamm Res 2022; 71:1403-1416. [PMID: 36266587 DOI: 10.1007/s00011-022-01646-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 07/26/2022] [Accepted: 09/14/2022] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND The inflammasome is a cytosolic multi-protein complex responsible for the proteolytic maturation of pro-inflammatory cytokines IL-1ß and IL-18 and of gasdermin-D, which mediates membrane pore formation and the cytokines release, or eventually a lytic cell death known as pyroptosis. Inflammation has long been accepted as a key component of hematologic conditions, either oncological or benign diseases. OBJECTIVES This study aims to review the current knowledge about the contribution of inflammasome in hematologic diseases. We attempted to depict the participation of specific inflammasome receptors, and the possible cell-specific consequence of complex activation, as well as the use of anti-inflammasome therapies. METHODS We performed a keyword-based search in public databases (Pubmed.gov, ClinicalTrials.gov.). CONCLUSION Different blood cells variably express inflammasome components. Considering the immunosuppression associated with both the disease and the treatment of some hematologic diseases, and a microenvironment that allows neoplastic cell proliferation, inflammasomes could be a link between innate immunity and disease progression, as well as an interesting therapeutic target.
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Affiliation(s)
- Valéria de Freitas Dutra
- Hematology and Blood Transfusion Division, Clinical and Experimental Oncology Department, Escola Paulista de Medicina, Universidade Federal de São Paulo (EPM/UNIFESP), R. Dr. Diogo de Farias, 824, Vila Clementino, São Paulo, SP, 04037-002, Brazil.
| | - Vinicius Nunes Cordeiro Leal
- Laboratory of Immunogenetics, Department of Immunology, Institute of Biomedical Sciences/ICB, University of São Paulo/USP, Av. Prof. Lineu Prestes, 1730-Butantã, São Paulo, 05508-000, Brazil
| | - Alessandra Pontillo
- Laboratory of Immunogenetics, Department of Immunology, Institute of Biomedical Sciences/ICB, University of São Paulo/USP, Av. Prof. Lineu Prestes, 1730-Butantã, São Paulo, 05508-000, Brazil
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Le Jeune S, Sadoudi S, Charue D, Abid S, Guigner JM, Helley D, Bihan H, Baudry C, Lelong H, Mirault T, Vicaut E, Dhote R, Mourad JJ, Boulanger CM, Blanc-Brude OP. Low grade intravascular hemolysis associates with peripheral nerve injury in type 2 diabetes. PLoS One 2022; 17:e0275337. [PMID: 36251660 PMCID: PMC9576093 DOI: 10.1371/journal.pone.0275337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 09/14/2022] [Indexed: 11/19/2022] Open
Abstract
Type 2 diabetes (T2D) induces hyperglycemia, alters hemoglobin (Hb), red blood cell (RBC) deformability and impairs hemorheology. The question remains whether RBC breakdown and intravascular hemolysis (IVH) occur in T2D patients. We characterized RBC-degradation products and vesiculation in a case-control study of 109 T2D patients and 65 control subjects. We quantified heme-related absorbance by spectrophotometry and circulating extracellular vesicles (EV) by flow cytometry and electron microscopy. Heme-related absorbance was increased in T2D vs. control plasma (+57%) and further elevated in obese T2D plasma (+27%). However, large CD235a+ EV were not increased in T2D plasma. EV from T2D plasma, or shed by isolated T2D RBC, were notably smaller in diameter (-27%) and carried heme-related absorbance. In T2D plasma, higher heme-related absorbance (+30%) was associated to peripheral sensory neuropathy, and no other vascular complication. In vitro, T2D RBC-derived EV triggered endothelial stress and thrombin activation in a phosphatidylserine- and heme-dependent fashion. We concluded that T2D was associated with low-grade IVH. Plasma absorbance may constitute a novel biomarker of peripheral neuropathy in T2D, while flow cytometry focusing on large EV may be maladapted to characterize RBC EV in T2D. Moreover, therapeutics limiting IVH or neutralizing RBC breakdown products might bolster vasculoprotection in T2D.
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Affiliation(s)
- Sylvain Le Jeune
- Université Paris Cité, INSERM, Paris Center for Cardiovascular Research-ParCC, Paris, France
- Service de Médecine Interne, AP-HP, Hôpital Avicenne, Bobigny, France
| | - Sihem Sadoudi
- Université Paris Cité, INSERM, Paris Center for Cardiovascular Research-ParCC, Paris, France
| | - Dominique Charue
- Université Paris Cité, INSERM, Paris Center for Cardiovascular Research-ParCC, Paris, France
| | - Salwa Abid
- Université Paris Cité, INSERM, Paris Center for Cardiovascular Research-ParCC, Paris, France
| | - Jean-Michel Guigner
- Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie, Sorbonne Université, Paris, France
| | - Dominique Helley
- Université Paris Cité, INSERM, Paris Center for Cardiovascular Research-ParCC, Paris, France
- Service D’hématologie Biologique, Hôpital Européen Georges Pompidou, AH-HP, Paris, France
| | - Hélène Bihan
- Service de Diabétologie, Endocrinologie et Maladies Métaboliques, AP-HP, Hôpital Avicenne, Bobigny, France
| | - Camille Baudry
- Service de Diabétologie, Endocrinologie et Nutrition, Hôpital Paris Saint-Joseph, Paris, France
| | - Hélène Lelong
- Unité HTA, Prévention et Thérapeutiques Cardiovasculaires, Hôtel Dieu, AP-HP, Paris, France
| | - Tristan Mirault
- Université Paris Cité, INSERM, Paris Center for Cardiovascular Research-ParCC, Paris, France
- Service de Médecine Vasculaire, Hôpital Européen Georges Pompidou, AH-HP, Paris, France
| | - Eric Vicaut
- Université Paris Cité, INSERM, Paris Center for Cardiovascular Research-ParCC, Paris, France
- U.R.C. Lariboisière-Saint Louis, AP-HP, Paris, France
| | - Robin Dhote
- Service de Médecine Interne, AP-HP, Hôpital Avicenne, Bobigny, France
| | | | - Chantal M. Boulanger
- Université Paris Cité, INSERM, Paris Center for Cardiovascular Research-ParCC, Paris, France
| | - Olivier P. Blanc-Brude
- Université Paris Cité, INSERM, Paris Center for Cardiovascular Research-ParCC, Paris, France
- * E-mail:
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40
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Donegan RK. The role of host heme in bacterial infection. Biol Chem 2022; 403:1017-1029. [PMID: 36228088 DOI: 10.1515/hsz-2022-0192] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Accepted: 09/14/2022] [Indexed: 11/15/2022]
Abstract
Heme is an indispensable cofactor for almost all aerobic life, including the human host and many bacterial pathogens. During infection, heme and hemoproteins are the largest source of bioavailable iron, and pathogens have evolved various heme acquisition pathways to satisfy their need for iron and heme. Many of these pathways are regulated transcriptionally by intracellular iron levels, however, host heme availability and intracellular heme levels have also been found to regulate heme uptake in some species. Knowledge of these pathways has helped to uncover not only how these bacteria incorporate host heme into their metabolism but also provided insight into the importance of host heme as a nutrient source during infection. Within this review is covered multiple aspects of the role of heme at the host pathogen interface, including the various routes of heme biosynthesis, how heme is sequestered by the host, and how heme is scavenged by bacterial pathogens. Also discussed is how heme and hemoproteins alter the behavior of the host immune system and bacterial pathogens. Finally, some unanswered questions about the regulation of heme uptake and how host heme is integrated into bacterial metabolism are highlighted.
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Affiliation(s)
- Rebecca K Donegan
- Department of Chemistry, Barnard College, 3009 Broadway, New York, NY, 10027, USA
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41
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Lin J, Lin K, Huang L, Jiang Y, Ding X, Luo W, Samorodov AV, Pavlov VN, Liang G, Qian J, Wang Y. Heme induces inflammatory injury by directly binding to the complex of myeloid differentiation protein 2 and toll-like receptor 4. Toxicol Lett 2022; 370:15-23. [PMID: 36115635 DOI: 10.1016/j.toxlet.2022.09.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 08/20/2022] [Accepted: 09/12/2022] [Indexed: 10/31/2022]
Abstract
Heme, as an essential component of hemoproteins, is a prosthetic co-factor found in many cells, which is essential for physiologically vital oxygen transport. However, extracellular or circulatory heme is cytotoxic and triggers inflammation. Although the proinflammatory role of heme has been reported to be associated with Toll-like receptor 4 (TLR4) signaling, the exact mechanism remains unknown. Here, we show that heme promotes TLR4 signaling and inflammation via directly physically interacting with TLR4 and its adaptor protein myeloid differentiation protein 2 (MD2). Genetic loss of MD2 ameliorates heme-induced inflammation and inflammatory cytokine production in the spleen of MD2 knockout (MD2-/-) mice. Using mouse macrophage RAW 264.7 cell line, we show that heme induces TLR4 dimerization and MD2/TLR4/MyD88 activation by physically interacting with TLR4 and MD2 in vitro. Genetic loss of MD2 inhibits heme-induced inflammation and MAPK/NF-κB pathway in mouse primary macrophages extracted from MD2-/- mice. Furthermore, pharmacological inhibition of MD2 by L6H9 ameliorates heme-induced inflammation in macrophages. These findings demonstrate that heme causes inflammation by directly binding to MD2/TLR4 complex, leading to activation of TLR4/MAPK/NF-κB signaling pathway and production of downstream effectors of inflammation.
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Affiliation(s)
- Jianjun Lin
- The Affiliated Xiangshan Hospital of Wenzhou Medical University, Ningbo, Zhejiang 315700, China
| | - Ke Lin
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Lijiang Huang
- The Affiliated Xiangshan Hospital of Wenzhou Medical University, Ningbo, Zhejiang 315700, China
| | - Yongsheng Jiang
- The Affiliated Xiangshan Hospital of Wenzhou Medical University, Ningbo, Zhejiang 315700, China
| | - Xiaoxiao Ding
- Department of pharmacy, the People' s Hospital of Beilun District , Ningbo, Zhejiang 315807, China
| | - Wu Luo
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Aleksandr V Samorodov
- Department of Pharmacology, Bashkir State Medical University, Ufa City 450005, Russia
| | - Valentin N Pavlov
- Department of Pharmacology, Bashkir State Medical University, Ufa City 450005, Russia
| | - Guang Liang
- School of Pharmaceutical Sciences, Hangzhou Medical College, Hangzhou, Zhejiang 311399, China
| | - Jianchang Qian
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China.
| | - Yi Wang
- The Affiliated Xiangshan Hospital of Wenzhou Medical University, Ningbo, Zhejiang 315700, China; Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China.
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42
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Qi S, Wang Q, Zhang J, Liu Q, Li C. Pyroptosis and Its Role in the Modulation of Cancer Progression and Antitumor Immunity. Int J Mol Sci 2022; 23:ijms231810494. [PMID: 36142404 PMCID: PMC9501080 DOI: 10.3390/ijms231810494] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 09/04/2022] [Accepted: 09/07/2022] [Indexed: 11/16/2022] Open
Abstract
Pyroptosis is a type of programmed cell death (PCD) accompanied by an inflammatory reaction and the rupture of a membrane. Pyroptosis is divided into a canonical pathway triggered by caspase-1, and a non-canonical pathway independent of caspase-1. More and more pyroptosis-related participants, pathways, and regulatory mechanisms have been exploited in recent years. Pyroptosis plays crucial roles in the initiation, progression, and metastasis of cancer and it affects the immunotherapeutic outcome by influencing immune cell infiltration as well. Extensive studies are required to elucidate the molecular mechanisms between pyroptosis and cancer. In this review, we introduce the discovery history of pyroptosis, delineate the signaling pathways of pyroptosis, and then make comparisons between pyroptosis and other types of PCD. Finally, we provide an overview of pyroptosis in different cancer types. With the progression in the field of pyroptosis, new therapeutic targets and strategies can be explored to combat cancer.
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Affiliation(s)
- Sihan Qi
- School of Engineering Medicine, Beihang University, Beijing 100191, China
- School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China
| | - Qilin Wang
- School of Engineering Medicine, Beihang University, Beijing 100191, China
- School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China
| | - Junyou Zhang
- School of Engineering Medicine, Beihang University, Beijing 100191, China
- School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China
| | - Qian Liu
- School of Engineering Medicine, Beihang University, Beijing 100191, China
- School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China
| | - Chunyan Li
- School of Engineering Medicine, Beihang University, Beijing 100191, China
- School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China
- Key Laboratory of Big Data-Based Precision Medicine (Ministry of Industry and Information Technology), Beihang University, Beijing 100191, China
- Beijing Advanced Innovation Center for Big Data-Based Precision Medicine, Beihang University, Beijing 100191, China
- Correspondence:
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43
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Hopp MT, Rathod DC, Winn KH, Ambast S, Imhof D. Novel insights into heme binding to hemoglobin. Biol Chem 2022; 403:1055-1066. [PMID: 36043538 DOI: 10.1515/hsz-2022-0188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 07/27/2022] [Indexed: 11/15/2022]
Abstract
Under hemolytic conditions, hemoglobin and subsequently heme are rapidly released, leading to the toxic effects characterizing diseases such as β-thalassemia and sickle cell disease. Herein, we provide evidence that human hemoglobin can bind heme in a transient fashion via surface-exposed sequence motifs. Following the synthesis of potential heme-binding motifs (HBMs) as peptides, their heme-binding capacity was investigated by UV-vis spectroscopy and ranked according to their binding affinity. Heme binding to human hemoglobin was subsequently studied by UV-vis and surface plasmon resonance (SPR) spectroscopy, revealing a heme-binding affinity in the sub- to micromolar range and a stoichiometry that clearly exceeds a 1:1 ratio. In silico molecular docking and simulation studies confirmed heme binding to the respective motifs in the β-chain of hemoglobin. Finally, the peroxidase-like activity of hemoglobin and the hemoglobin-heme complex was monitored, which indicated a much higher activity (>1800%) than other heme-peptide/protein complexes reported so far. The present study provides novel insights into the nature of intact hemoglobin concerning its transient interaction with heme, which suggests for the first time potential heme-scavenging properties of the protein at concomitant disassembly and, consequently, a potentiation of hemolysis and related processes.
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Affiliation(s)
- Marie-Therese Hopp
- Pharmaceutical Biochemistry and Bioanalytics, Pharmaceutical Institute, University of Bonn, An der Immenburg 4, D-53121 Bonn, Germany
| | - Dhruv Chetanbhai Rathod
- Pharmaceutical Biochemistry and Bioanalytics, Pharmaceutical Institute, University of Bonn, An der Immenburg 4, D-53121 Bonn, Germany
| | - Kristina Helena Winn
- Pharmaceutical Biochemistry and Bioanalytics, Pharmaceutical Institute, University of Bonn, An der Immenburg 4, D-53121 Bonn, Germany
| | - Shubhi Ambast
- Pharmaceutical Biochemistry and Bioanalytics, Pharmaceutical Institute, University of Bonn, An der Immenburg 4, D-53121 Bonn, Germany
| | - Diana Imhof
- Pharmaceutical Biochemistry and Bioanalytics, Pharmaceutical Institute, University of Bonn, An der Immenburg 4, D-53121 Bonn, Germany
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44
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Homan RA, Jadhav AM, Conway LP, Parker CG. A Chemical Proteomic Map of Heme-Protein Interactions. J Am Chem Soc 2022; 144:15013-15019. [PMID: 35960875 PMCID: PMC9811995 DOI: 10.1021/jacs.2c06104] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Heme is an essential cofactor for many human proteins as well as the primary transporter of oxygen in blood. Recent studies have also established heme as a signaling molecule, imparting its effects through binding with protein partners rather than through reactivity of its metal center. However, the comprehensive annotation of such heme-binding proteins in the human proteome remains incomplete. Here, we describe a strategy which utilizes a heme-based photoaffinity probe integrated with quantitative proteomics to map heme-protein interactions across the proteome. In these studies, we identified 350+ unique heme-protein interactions, the vast majority of which were heretofore unknown and consist of targets from diverse functional classes, including transporters, receptors, enzymes, transcription factors, and chaperones. Among these proteins is the immune-related interleukin receptor-associated kinase 1 (IRAK1), where we provide preliminary evidence that heme agonizes its catalytic activity. Our findings should improve the current understanding of heme's regulation as well as its signaling functions and facilitate new insights of its roles in human disease.
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Affiliation(s)
- Rick A. Homan
- Department of Chemistry, The Scripps Research Institute, La Jolla, California 92037, United States
| | - Appaso M. Jadhav
- Department of Chemistry, The Scripps Research Institute, La Jolla, California 92037, United States
| | - Louis P. Conway
- Department of Chemistry, The Scripps Research Institute, La Jolla, California 92037, United States
| | - Christopher G. Parker
- Department of Chemistry, The Scripps Research Institute, La Jolla, California 92037, United States
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45
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Ousaka D, Nishibori M. Is hemolysis a novel therapeutic target in COVID-19? Front Immunol 2022; 13:956671. [PMID: 36059481 PMCID: PMC9438449 DOI: 10.3389/fimmu.2022.956671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 07/26/2022] [Indexed: 12/15/2022] Open
Affiliation(s)
- Daiki Ousaka
- Department of Pharmacology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Masahiro Nishibori
- Translational Research and Drug Development, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
- *Correspondence: Masahiro Nishibori,
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46
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The oral ferroportin inhibitor vamifeport improves hemodynamics in a mouse model of sickle cell disease. Blood 2022; 140:769-781. [PMID: 35714304 PMCID: PMC9389634 DOI: 10.1182/blood.2021014716] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 05/20/2022] [Indexed: 12/02/2022] Open
Abstract
Sickle cell disease (SCD) is an inherited hemolytic anemia caused by a single point mutation in the β-globin gene of hemoglobin that leads to synthesis of sickle hemoglobin (HbS) in red blood cells (RBCs). HbS polymerizes in hypoxic conditions, leading to intravascular hemolysis, release of free hemoglobin and heme, and increased adhesion of blood cells to the endothelial vasculature, which causes painful vaso-occlusion and organ damage. HbS polymerization kinetics are strongly dependent on the intracellular HbS concentration; a relatively small reduction in cellular HbS concentration may prevent HbS polymerization and its sequelae. We hypothesized that iron restriction via blocking ferroportin, the unique iron transporter in mammals, might reduce HbS concentration in RBCs, thereby decreasing hemolysis, improving blood flow, and preventing vaso-occlusive events. Indeed, vamifeport (also known as VIT-2763), a clinical-stage oral ferroportin inhibitor, reduced hemolysis markers in the Townes model of SCD. The RBC indices of vamifeport-treated male and female Townes mice exhibited changes attributable to iron-restricted erythropoiesis: decreased corpuscular hemoglobin concentration mean and mean corpuscular volume, as well as increased hypochromic and microcytic RBC fractions. Furthermore, vamifeport reduced plasma soluble VCAM-1 concentrations, which suggests lowered vascular inflammation. Accordingly, intravital video microscopy of fluorescently labeled blood cells in the microvasculature of Townes mice treated with vamifeport revealed diminished adhesion to the endothelium and improved hemodynamics. These preclinical data provide a strong proof-of-concept for vamifeport in the Townes model of SCD and support further development of this compound as a potential novel therapy in SCD.
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47
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A Nano Erythropoiesis Stimulating Agent (Nano-ESA) for the Treatment of Anemia and Associated Disorders. iScience 2022; 25:105021. [PMID: 36111254 PMCID: PMC9468392 DOI: 10.1016/j.isci.2022.105021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 06/20/2022] [Accepted: 08/19/2022] [Indexed: 11/24/2022] Open
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48
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Yin N, Zhao Y, Liu C, Yang Y, Wang ZH, Yu W, Zhang K, Zhang Z, Liu J, Zhang Y, Shi J. Engineered Nanoerythrocytes Alleviate Central Nervous System Inflammation by Regulating the Polarization of Inflammatory Microglia. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2201322. [PMID: 35483045 DOI: 10.1002/adma.202201322] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 04/26/2022] [Indexed: 06/14/2023]
Abstract
Microglial polarization is one of the most promising therapeutic strategies for multiple central nervous system (CNS) disorders. However, safe, effective, and controllable microglial regulation still faces formidable challenges. Although some anti-inflammatory factors promote microglia polarization, their short half-life, high cost, unpredictable in vivo behavior, and complex delivery operations, hamper their clinical application. Here, inspired by the natural microhemorrhage cleaning mechanism, an MG1 peptide and RVG29 peptide engineered nanoerythrocyte (NEMR) that can reprogram microglia are developed from classical M1 toward alternative M2 by inducing heme oxygenase-1 (HO-1), stimulating Notch1/Hes1/Stat3 signaling, and further inhibiting NF-κB p65 translocation. Moreover, anti-inflammatory carbon monoxide (CO) and bilirubin produced by endogenous metabolism of heme further reinforces the anti-inflammatory effect. In middle cerebral artery occlusion and experimental autoimmune encephalomyelitis models, a satisfactory prognosis is achieved, with precise regulation of inflammatory microglia in lesion sites, increased expression of anti-inflammatory factors, reduced blood-brain barrier permeability, as well as promotion of neurogenesis and functional recovery. Furthermore, NEMR can be integrated with clinical therapeutic agents, which facilitates precise drug delivery to enhance therapeutic effects. Hence, the natural nanoerythrocytes, as a feasible, efficient, safe, and practical tool, provides a new strategy for rebalancing of the immune environment in the CNS disorders.
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Affiliation(s)
- Na Yin
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Zhengzhou University, Zhengzhou, 450001, P. R. China
- Key Laboratory of Key Drug Preparation Technology Ministry of Education, Zhengzhou, 450001, P. R. China
| | - Yuzhen Zhao
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Zhengzhou University, Zhengzhou, 450001, P. R. China
- Key Laboratory of Key Drug Preparation Technology Ministry of Education, Zhengzhou, 450001, P. R. China
| | - Changhua Liu
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Zhengzhou University, Zhengzhou, 450001, P. R. China
- Key Laboratory of Key Drug Preparation Technology Ministry of Education, Zhengzhou, 450001, P. R. China
| | - Yue Yang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Zhengzhou University, Zhengzhou, 450001, P. R. China
- Key Laboratory of Key Drug Preparation Technology Ministry of Education, Zhengzhou, 450001, P. R. China
| | - Zhi-Hao Wang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Zhengzhou University, Zhengzhou, 450001, P. R. China
- Key Laboratory of Key Drug Preparation Technology Ministry of Education, Zhengzhou, 450001, P. R. China
| | - Wenyan Yu
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Zhengzhou University, Zhengzhou, 450001, P. R. China
- Key Laboratory of Key Drug Preparation Technology Ministry of Education, Zhengzhou, 450001, P. R. China
| | - Kaixiang Zhang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Zhengzhou University, Zhengzhou, 450001, P. R. China
- Key Laboratory of Key Drug Preparation Technology Ministry of Education, Zhengzhou, 450001, P. R. China
| | - Zhenzhong Zhang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Zhengzhou University, Zhengzhou, 450001, P. R. China
- Key Laboratory of Key Drug Preparation Technology Ministry of Education, Zhengzhou, 450001, P. R. China
- State Key Laboratory of Esophageal Cancer Prevention & Treatment, Zhengzhou, 450001, P. R. China
| | - Junjie Liu
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Zhengzhou University, Zhengzhou, 450001, P. R. China
- Key Laboratory of Key Drug Preparation Technology Ministry of Education, Zhengzhou, 450001, P. R. China
- State Key Laboratory of Esophageal Cancer Prevention & Treatment, Zhengzhou, 450001, P. R. China
| | - Yun Zhang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Zhengzhou University, Zhengzhou, 450001, P. R. China
- Key Laboratory of Key Drug Preparation Technology Ministry of Education, Zhengzhou, 450001, P. R. China
- State Key Laboratory of Esophageal Cancer Prevention & Treatment, Zhengzhou, 450001, P. R. China
| | - Jinjin Shi
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases, Zhengzhou University, Zhengzhou, 450001, P. R. China
- Key Laboratory of Key Drug Preparation Technology Ministry of Education, Zhengzhou, 450001, P. R. China
- State Key Laboratory of Esophageal Cancer Prevention & Treatment, Zhengzhou, 450001, P. R. China
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49
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Chen S, Li L, Peng C, Bian C, Ocak PE, Zhang JH, Yang Y, Zhou D, Chen G, Luo Y. Targeting Oxidative Stress and Inflammatory Response for Blood-Brain Barrier Protection in Intracerebral Hemorrhage. Antioxid Redox Signal 2022; 37:115-134. [PMID: 35383484 DOI: 10.1089/ars.2021.0072] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Significance: Blood-brain barrier (BBB) disruption is a major pathological change after intracerebral hemorrhage (ICH) and is both the cause and result of oxidative stress and of the immune response post-ICH. These processes contribute to ICH-induced brain injury. Recent Advances: After the breakdown of cerebral vessels, blood components, including erythrocytes and their metabolites, thrombin, and fibrinogen, can access the cerebral parenchyma through the compromised BBB, triggering oxidative stress and inflammatory cascades. These aggravate BBB disruption and contribute to further infiltration of blood components, resulting in a vicious cycle that exacerbates brain edema and neurological injury after ICH. Experimental and clinical studies have highlighted the role of BBB disruption in ICH-induced brain injury. Critical Issues: In this review, we focus on the strategies to protect the BBB in ICH. Specifically, we summarize the evidence and the underlying mechanisms, including the ICH-induced process of oxidative stress and inflammatory response, and we highlight the potential therapeutic targets to protect BBB integrity after ICH. Future Directions: Future studies should probe the mechanism of ferroptosis as well as oxidative stress-inflammation coupling in BBB disruption after ICH and investigate the effects of antioxidants and immunomodulatory agents in more ICH clinical trials. Antioxid. Redox Signal. 37, 115-134.
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Affiliation(s)
- Shengpan Chen
- Department of Neurosurgery, Guangdong Provincial People's Hospital, Guangdong Institute of Neuroscience, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Lingzhi Li
- Institute of Cerebrovascular Disease Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Chao Peng
- Department of Neurosurgery, Guangdong Provincial People's Hospital, Guangdong Institute of Neuroscience, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Chunjing Bian
- Department of General Surgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Pinar Eser Ocak
- Department of Neurosurgery, Uludag University School of Medicine, Bursa, Turkey
| | - John H Zhang
- Department of Physiology and Pharmacology, School of Medicine, Loma Linda University, Loma Linda, California, USA
- Department of Neurosurgery, Loma Linda University, Loma Linda, California, USA
| | - Yong Yang
- Department of Neurosurgery, Guangdong Provincial People's Hospital, Guangdong Institute of Neuroscience, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Dong Zhou
- Department of Neurosurgery, Guangdong Provincial People's Hospital, Guangdong Institute of Neuroscience, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Guangzhong Chen
- Department of Neurosurgery, Guangdong Provincial People's Hospital, Guangdong Institute of Neuroscience, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Yumin Luo
- Institute of Cerebrovascular Disease Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China
- Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, Beijing, China
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50
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Serra A, del Giudice G, Kinaret PAS, Saarimäki LA, Poulsen SS, Fortino V, Halappanavar S, Vogel U, Greco D. Characterization of ENM Dynamic Dose-Dependent MOA in Lung with Respect to Immune Cells Infiltration. NANOMATERIALS 2022; 12:nano12122031. [PMID: 35745370 PMCID: PMC9228743 DOI: 10.3390/nano12122031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 06/08/2022] [Accepted: 06/09/2022] [Indexed: 02/01/2023]
Abstract
The molecular effects of exposures to engineered nanomaterials (ENMs) are still largely unknown. In classical inhalation toxicology, cell composition of bronchoalveolar lavage (BAL) is a toxicity indicator at the lung tissue level that can aid in interpreting pulmonary histological changes. Toxicogenomic approaches help characterize the mechanism of action (MOA) of ENMs by investigating the differentially expressed genes (DEG). However, dissecting which molecular mechanisms and events are directly induced by the exposure is not straightforward. It is now generally accepted that direct effects follow a monotonic dose-dependent pattern. Here, we applied an integrated modeling approach to study the MOA of four ENMs by retrieving the DEGs that also show a dynamic dose-dependent profile (dddtMOA). We further combined the information of the dddtMOA with the dose dependency of four immune cell populations derived from BAL counts. The dddtMOA analysis highlighted the specific adaptation pattern to each ENM. Furthermore, it revealed the distinct effect of the ENM physicochemical properties on the induced immune response. Finally, we report three genes dose-dependent in all the exposures and correlated with immune deregulation in the lung. The characterization of dddtMOA for ENM exposures, both for apical endpoints and molecular responses, can further promote toxicogenomic approaches in a regulatory context.
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Affiliation(s)
- Angela Serra
- Faculty of Medicine and Health Technology, Tampere University, 33520 Tampere, Finland; (A.S.); (G.d.G.); (L.A.S.)
- BioMediTech Institute, Tampere University, 33520 Tampere, Finland
- Finnish Hub for Development and Validation of Integrated Approaches (FHAIVE), 33520 Tampere, Finland
| | - Giusy del Giudice
- Faculty of Medicine and Health Technology, Tampere University, 33520 Tampere, Finland; (A.S.); (G.d.G.); (L.A.S.)
- BioMediTech Institute, Tampere University, 33520 Tampere, Finland
- Finnish Hub for Development and Validation of Integrated Approaches (FHAIVE), 33520 Tampere, Finland
| | | | - Laura Aliisa Saarimäki
- Faculty of Medicine and Health Technology, Tampere University, 33520 Tampere, Finland; (A.S.); (G.d.G.); (L.A.S.)
- BioMediTech Institute, Tampere University, 33520 Tampere, Finland
- Finnish Hub for Development and Validation of Integrated Approaches (FHAIVE), 33520 Tampere, Finland
| | - Sarah Søs Poulsen
- National Research Centre for the Working Environment, 2100 Copenhagen, Denmark; (S.S.P.); (U.V.)
| | - Vittorio Fortino
- Institute of Biomedicine, University of Eastern Finland, 70211 Kuopio, Finland;
| | - Sabina Halappanavar
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, ON K1A 0K9, Canada;
| | - Ulla Vogel
- National Research Centre for the Working Environment, 2100 Copenhagen, Denmark; (S.S.P.); (U.V.)
| | - Dario Greco
- Faculty of Medicine and Health Technology, Tampere University, 33520 Tampere, Finland; (A.S.); (G.d.G.); (L.A.S.)
- BioMediTech Institute, Tampere University, 33520 Tampere, Finland
- Finnish Hub for Development and Validation of Integrated Approaches (FHAIVE), 33520 Tampere, Finland
- Institute of Biotechnology, University of Helsinki, 00014 Helsinki, Finland;
- Correspondence:
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